Also find product list from verified suppliers with contact. Var referer = document.referrer var r_uri = location.pathname + arch if (referer.indexOf('google') > 0 || referer. Remote Drone Camera - Buy Drone Camera at best price of Rs 20000 by Dynamic Electronic Works. Usually, drones under 200 take too long to configure. That said, if you don't care about creating content, just want to have fun flying, and don't mind taking a risk, these "toy" drones might be worth a look.Best Air Cooler Under 9000: Knock Out The Summers With These Air Coolers Check Latest Price The model HS700D from Holy Stone is one of the easiest drones to fly. Be sure to check out our many other buying guides, including the Best Action Cameras, Best Compact Cameras, and Best Mirrorless Cameras. I think most people would be better off buying one of the tiny toy drones above while saving up for DJI's Mini 2. Camera Drones Under 20,000 DJI Tello Camera Drone: 1 PGYTECH Water Proof Carry Case Included, DJI Tello Customized Combo - Includes 1 Battery + 1. Here are the best drones I've tested for every budget. I also have my doubts about their long-term durability. While two of the under-$100 models I've tested were fun to fly, the photos and video they produced were hot garbage. Unfortunately, you tend to get what you pay for. But drones also share many components with smartphones, which means chips, camera sensors, and tiny lenses are cheap at the wholesale level. First, well-made drones are still expensive. The internet is awash with drones in the $50 to $150 price range. We've removed DJI's Phantom 4, because while it might still be a good drone for some niche applications, DJI's newer folding drones are a better way to spend your money. Some stores still sell the Mavic Air 2, but it's not worth it when the Air 2S is such a step up for not much more money. I think the higher price is justified given the new features, but I've left the Mini 2 below as a budget pick since, at least for now, DJI is still selling it. The only downside to the Mini 3 is that the price has jumped up from the Mini 2. Tathastu Enterprise Drone View Gallery NA 2MP Yes 40 meters Full specs Other TATHASTU ENTERPRISE Drones The Tathastu Enterprise Drone has a 2MP 360p camera and can be quite useful for. It flies very well and is surprisingly good at maneuvering in the wind. The Mini 3 Pro is a joy to fly, and it can stay in the air for an amazing 45 minutes on a single charge using the extended battery-I got around 32 minutes with the standard battery. That number is important, because in most jurisdictions, a drone under 250 grams doesn't need to be registered (be sure to see to check your local laws). The Mini 3 Pro also packs in three-direction obstacle avoidance and a gimbal that shoots vertically, and it still manages to weigh in at less than 250 grams. Holy Stone F181W From the house of Holy Stone, we have a mini drone that you can use for capturing fun moments with family and friends. On the front of the drone there's a new faster F/1.7 lens. There's also a 48-megapixel option, though you lose some camera features in this mode. The Mini 3 Pro uses a 1/1.3" sensor that's capable of 4K/60p video and 12.1 megapixel RAW Images. This third iteration (which gains the word "Pro" in the name) is anything but basic. Updated June 2022: We've added the new DJI Mini 3 Pro and updated pricing and links throughout.ĭJI's original Mavic Mini was a tiny, underpowered thing with a small sensor and very basic features. Here are the best drones I've tested for every budget.īe sure to check out our many other buying guides, including the Best Action Cameras, Best Compact Cameras, and Best Mirrorless Cameras. That said, if you're not worried about wowing YouTube with your sweeping panoramic masterpiece, you don't have to spend a fortune to get a good, fun drone. There are a dizzying array of drones available, but there is a basic division to be aware of-cheaper drones, while fun, will never fly as well or deliver the kind of video and photo results possible with more expensive models. Again, they've made flying easier and more accessible, thanks to intelligent collision sensors that protect your investment from mishaps. Videos that once required a camera crew, expensive cranes, and hours of filming can now be done in minutes by the best drones with the tap of a single Auto Takeoff button.ĭrones aren't just flying cameras, though they're also the modern version of remote-controlled vehicles. They've taken once difficult and expensive moviemaking techniques and made them accessible to anyone. It sports a stabilized 2.7K video camera that also snaps 12MP photos, as well as includes GPS and Find My Drone functions. It's no exaggeration to say that drones have changed the way we view the world. The DJI Mini 2 SE is the best drone you can get for less than 350.
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New cat (bat) on the same file - syntax highlighting and formattingīut tooling is just half the story. New ls (Exa) - git aware with icons and colour hints Let’s go! A quick look at default Vs modern terminal tools This article also explains all the tools I use and how I keep the same terminal setup consistent on MacOS and Windows! Keeping any shell changes you make on one machine up to date on all the machines you code on is a nightmare without the right tooling. Keeping developer experience consistent across machines Terminal prompts can be made git aware and use colour to indicate state so you don’t have to query git so often. You can replace tools like ls or cat with modern equivalents that support full colour, unicode icons, git state and more. But other developer tooling has advanced quite a bit since then. Many of the terminal tools that come with unix environments are functionally similar to how they were 20 years ago. The latest version lets you run a full Ubuntu instance that integrates seamlessly with the underlying windows instance.īy using WSL2 you can have a (mostly) identical developer experience jumping between MacOS and Windows. Windows “WSL” (Windows Subsystem for Linux) is a great tool for this you can use on Windows 10 and newer. I need to use the same tools and the same experience on both. I regularly code on both MacOS and Windows machines and I was always annoyed how different the default experiences are on each. "Absence is to love what wind is to fire it extinguishes the small, it enkindles the great." – Roger de Rabutin "We loved with a love that was more than love." – Edgar Allen Poe, "Annabel Lee"ĥ2. "We accept the love we think we deserve." – Stephen Chbosky, The Perks of Being a Wallflowerĥ1. "Love is the only force capable of transforming an enemy into a friend." – Martin Luther King, Jr.ĥ0. "Because through love, we feel the intensity of our connection to everything and everyone. "Give in to love, or live in fear." – RentĤ8. "All, everything that I understand, I understand only because I love." – Leo Tolstoy, War and PeaceĤ7. Some are short stories, but that doesn't make them any less filled with love." – Sex and the CityĤ6. "There's only one thing that cuts through all our realities and that's love-the bridge between all our differences." – The L WordĤ5. "There is no remedy for love, but to love more." – ThoreauĤ4. It expands in size the more you love." – HerĤ3. "But the heart's not like a box that gets filled up. "Love is the condition in which the happiness of another person is essential to your own." – Robert A. "Love is a two-way street constantly under construction." – Carroll BryantĤ1. "Marriage is like a game of chess except the board is flowing water, the pieces are made of smoke and no move you make will have any effect on the outcome." – Jerry Seinfeldģ0. "Real love amounts to withholding the truth, even when you're offered the perfect opportunity to hurt someone's feelings." – David SedarisĢ9. "Falling in love is not at all the most stupid thing that people do, but gravitation cannot be held responsible for it." – Albert EinsteinĢ8. "I'm afraid once your heart is involved, it all comes out in moron." – Gilmore GirlsĢ7. "I just happened to be nowhere near your neighborhood." – SinglesĢ6. "Love is something sent from heaven to worry the hell out of you." – Dolly PartonĢ5. It's so great to find that one special person you want to annoy for the rest of your life. But a little chocolate now and then doesn't hurt." - Charles M. At night, the ice weasels come." – Matt Groening, The Big Book of HellĢ2. "Love is a snowmobile racing across the tundra and then suddenly it flips over, pinning you underneath. "At the touch of love everyone becomes a poet." – PlatoĢ1. "Love is an irresistible desire to be irresistibly desired." – Robert FrostĢ0. "Once upon a time there was a boy who loved a girl, and her laughter was a question he wanted to spend his whole life answering." – Nicole Krauss, The History of Loveġ9. If they were easy, they'd call them something else." – Sixteen Candlesġ8. Maybe you just need one person." – The Muppetsġ7. "Maybe you don't need the whole world to love you, you know. "A friend is someone who knows all about you and still loves you." – Elbert Hubbardġ6. "Happiness is anyone and anything at all that's loved by you." – You're a Good Man, Charlie Brownġ5. "You're my one in five billion." – The X-Filesġ4. "You know you're in love when you can't fall asleep because reality is finally better than your dreams." – Dr. "Laughter is holier than piety, freedom is sweeter than fame, and in the end it's love and love alone that really matters." – Tom Robbinsġ1. "The greatest thing you'll ever learn is just to love and be loved in return." – Nat King Cole, "Nature Boy" lyricsġ0. And the greatest thing we can do is to let people know that they are loved and capable of loving." – Fred Rogersĩ. "Deep within us - no matter who we are - there lives a feeling of wanting to be lovable, of wanting to be the kind of person that others like to be with. "The best and most beautiful things in the world cannot be seen or even touched-they must be felt with the heart." – Helen KellerĨ. "True love stories never have endings." – Richard Bachħ. "Two people in love, alone, isolated from the world, that's beautiful." – Milan KunderaĦ. "Nobody has ever measured, not even poets, how much the heart can hold."ĥ. Yours are the sweetest eyes I've ever seen."Ĥ. My kids are gonna be right about that." – The Office "When you're a kid, you assume your parents are soulmates. "For small creatures such as we, the vastness is bearable only through love." – Carl SaganĢ. Ceraunius Fossae is located on the southern part of Alba Mons and is 1166km (724 miles) long. Because the faults defining the graben are formed perpendicular to the direction of the applied stress, we know that extensional forces were pulling the crust apart in the east/west direction. The largest graben in this THEMIS image trends from almost north/south. In the case of a graben, two parallel faults are formed by extension of the crust and the rock in between the faults drops downward into the space created by the extension. When large amounts of pressure or tension are applied to rocks on timescales that are fast enough that the rock cannot respond by deforming, the rock breaks along faults. Graben are formed by extension of the crust and faulting. The linear depressions are fault bounded features called graben. We’ve now been able to narrow down the range of possibilities, but the data we’ve acquired so far suggest that the history of the crater floor may be quite a bit more complicated than we had anticipated.This VIS image shows part of Cerunius Fossae. “Before Perseverance landed, there were many hypotheses about the exact nature and origin of the crater floor materials. “RIMFAX is giving us a view of Mars stratigraphy similar to what you can see on Earth in highway road cuts, where tall stacks of rock layers are sometimes visible in a mountainside as you drive by,” Paige explained. Compounding the mystery, within those inclined areas are some perplexing highly reflective rock layers that in fact tilt in multiple directions. The image reveals the presence of ubiquitous layered rock strata, including those that are inclined at up to 15 degrees. The shapes, densities, thicknesses, angles and compositions of underground objects affect how the radar waves bounce back, creating a visual image of what lies beneath.ĭuring Perseverance’s initial 3-kilometer traverse, the instrument has obtained a continuous radar image that reveals the electromagnetic properties and bedrock stratigraphy - the arrangement of rock layers - of Jezero’s floor to depths of 15 meters, or about 49 feet. RIMFAX obtains a picture of underground features by sending bursts of radar waves below the surface, which are reflected by rock layers and other obstacles. Paige said that most of the evidence gathered by the rover so far points to an igneous, or molten, origin, but based on the RIMFAX data, he and the team can’t yet say for certain how the inclined layers formed. They could have been formed when molten rock rose up towards the surface, or, alternatively, they could represent an older delta deposit buried in the crater floor.” The fact that they are tilted like this requires a more complex geologic history. “We were expecting to see horizontal rocks on the crater floor. “We were quite surprised to find rocks stacked up at an inclined angle,” said David Paige, a UCLA professor of Earth, planetary and space sciences and one of the lead researchers on the Radar Imager for Mars Subsurface Experiment, or RIMFAX. As the rover gathers more data, the researchers hope to clear up the complex history of this part of the Red Planet.ĭavid Paige, deputy principal investigator for Perseverance’s RIMFAX instrument. Perseverance is currently exploring a delta on the western edge of the crater, where a river once fed the lake, leaving behind a large deposit of dirt and rocks it picked up along its course. The slopes, thicknesses and shapes of the inclined sections suggest they were either formed by slowly cooling lava or deposited as sediments in the former lake. In a paper published today in the journal Science Advances, a research team led by UCLA and the University of Oslo reveals that rock layers beneath the crater’s floor, observed by the rover’s ground-penetrating radar instrument, are unexpectedly inclined. The rover, which is about the size of car and carries seven scientific instruments, has been probing Mars’ 30-mile-wide Jezero crater, once the site of a lake and an ideal spot to search for evidence of ancient life and information about the planet’s geological and climatic past.
Take out the housing screws and separate the two halves of the housing. To inspect the field for damage, such as burn marks and melted insulation, and to perform tests, you will need to take apart the multi tool to access it.īegin by removing the collet nut, collet and front cap. The field is placed around the armature and the two, together, make up the motor. The field is an electromagnet used to generate a magnetic field in an electro-magnetic machine. Reassemble the housing back together and reinstall the front cap, the collet nut and collet, followed by the brushes and caps. Reinstall the hold-down screws and the power cable connector. Connect the switch and the circuit board to the motor and reinstall the motor assembly into the housing. If an armature fails any of these test, it is recommended that you replace it. If the resistance drops, that would indicate there is a short. If there is an increase in resistance, that would indicate a broken, or burnt out, wire. Again, what is most important is that there is not a large fluctuation in values, which would indicate a fault. There will be a specific set of readings for this, depending on the design of your unit. Attach the two ends of the ohmmeter on the commutator bars, directly across from each other. Move around the commutator, checking each bar. If the resistance drops, then there is a short. If there is an increase in resistance, this will indicate there is a broken, or burned out, wire in the coil. But, most importantly, there is not a large fluctuation here between the values, indicating a fault. There will be a specific reading for this, depending on the design of the armature. Attach one probe to the bar on the commutator and the other probe on the bar right beside it. The second test is a bar-to-bar test, determining resistance. If the ohmmeter shows a reading on one of the bars, this will indicate a short and a bad armature. Move the probe to each bar on the commutator, checking all the bars. Attach one end of the ohmmeter to the shaft, for ground, and the other to the bar on the commutator. With the armature removed from the unit, stand it up on a bench. There are also three tests you can do to check the condition of the armature. Replace the armature, if these signs are present. Inspect the armature for burn marks and melted insulation on the winding. Clean the armature with electrical contact cleaner and wipe dry. Pull out the motor and separate it from the switch and circuit board and then slide the armature out of the field. Separate the two halves of the housing and then take out the power cable connectors and screws holding down the motor assembly. Remove the brush caps on the side and take out the brushes from the housing. Remove the collet nut, the collet and the front cap. To check the condition of the armature, and to perform a few tests, you will need to remove the armature from the multi tool. If your multi tool will not power up, it could be cause by a defective armature. The armature, located inside the field, is the power-producing part of the motor and the only moving part of the motor. Take it for fun and let the questions inspire you to talk to your partner about passion. Note that while the scale is widely used by relationship researchers who study love, the quiz is by no means the final word on the health of your relationship. Once you see where you stand, you can start working on injecting more passion into your partnership. Hatfield, of the University of Hawaii, and Susan Sprecher, a psychology and sociology professor at Illinois State University, can help you gauge the passion level of your relationship. Where does your relationship land on the spectrum of love? The Passionate Love Scale, developed by Dr. Longer-term relationships develop “companionate love,” which can be described as a deep affection, and strong feelings of commitment and intimacy. Early on, love is “passionate,” meaning we have feelings of intense longing for our mate. The psychology professor Elaine Hatfield has suggested that the love we feel early in a relationship is different than what we feel later. Aron has found that partners who regularly share new experiences report greater boosts in marital happiness than those who simply share pleasant but familiar experiences. Whether you take a pottery class or go on a white-water rafting trip, activating your dopamine systems while you are together can help bring back the excitement you felt on your first date. These are the same brain circuits that are ignited in early romantic love. New experiences activate the brain’s reward system, flooding it with dopamine and norepinephrine. The secret? Do something new and different - and make sure you do it together. The relationship researcher Arthur Aron, a psychology professor who directs the Interpersonal Relationships Laboratory at the State University of New York at Stony Brook, has found a way. Even so, many couples long to rekindle the sparks of early courtship. No wonder we feel so energized and motivated when we fall in love!īut we all know that romantic, passionate love fades a bit over time, and (we hope) matures into a more contented form of committed love. But those same pathways are also associated with novelty, energy, focus, learning, motivation, ecstasy and craving. Romantic love has been called a “natural addiction” because it activates the brain’s reward center - notably the dopamine pathways associated with drug addiction, alcohol and gambling. If your partner is practical in love, notice the many small ways he or she shows love by taking care of everyday needs. If you learn your partner tends toward jealousy, make sure you notice when someone is flirting with him or her. Hatkoff and find out how each of you defines love. You and your partner can take the Love Style quiz from Dr. Understanding what makes your partner feel loved can help you navigate conflict and put romance back into your relationship. For her, love is possessive, and a jealous response by her husband makes her feel valued. For him, love is practical, and is best shown by supportive gestures like car maintenance. What does this have to do with love? The man and woman each define love differently. The husband feels his extra work isn’t appreciated. The wife is upset her husband isn’t jealous. The waiter flirts with the woman, but the husband doesn’t seem to notice, and talks about changing the oil in her car. Hatkoff gives the example of a man and woman having dinner. But often, two people in the same relationship can have very different versions of how they define love. Researchers have found that the love we feel in our most committed relationships is typically a combination of two or three different forms of love. Unselfish: Nurturing, kindness, and sacrifice.Playful: Feelings evoked by flirtation or feeling challenged.Logical: Practical feelings based on shared values, financial goals, religion etc.Best Friends: Fondness and deep affection.Romantic: Based on passion and sexual attraction.Terry Hatkoff, a California State University sociologist, has created a love scale that identifies six distinct types of love found in our closest relationships. When you say “I love you,” what do you mean? If you need more detailed tips on optimizing your WiFi signal strength, be sure to go have a look at our WiFi signal boosting guide. Then manually set your router to use a different one. If you are worried about channel congestion, you can use your analyzer to check which channels have no other hotspots (or the fewest) using it. This can help you make a decision on whether to use a WiFi extender or perhaps change the location of your router. At home, you can walk from one spot to the next and make a note of how your router’s signal strength changes. Once you have the WiFi analyzer of your choice, the two most useful ways to use it is pretty straightforward. Even better, its visual design will make you look like a TV hacker or an extra from The Matrix. The downside to this is that you will have to pay a few bucks to own the app, but once that’s done you’ll have a robust network tool that can do way more than simply scan local WiFi networks. Scany seems to be the only viable choice that’s made it through Apple’s policy checks. While the details are a little vague, it seems they took issue more with the specific low-level ways apps like WiFi Analyzer work under the hood than simply the idea that you might want to see available networks, channels and signal strengths. The best WiFi signal strength software can even turn the gathered data into heatmap visualizations, showing exactly where dBM values are high and where they are low, allowing even beginners with limited technical knowledge to instantly spot signal weakspots and other issues.ĭo you want to know how is WiFi signal strength measured using WiFi signal strength software? Then continue reading.However, Apple didn’t ban this category of tool as a whole. WiFi signal strength Mac and Windows WiFi signal strength software applications can detect all available WiFi networks and instantly reveal how strong the signals emitted by them are, making it easy to find the strongest network in any location and troubleshoot connectivity issues caused by interference and other common problems.īesides allowing you to test WiFi signal strength, WiFi signal strength software can also be used to optimize the deployment of multiple WiFi hotspots by ensuring that they together provide even coverage of the entire area where you want wireless internet to be available. The AirCheck from Fluke Networks is a very good tool to have around for wireless testing and troubleshooting. The other half is collecting and analyzing WiFi data to determine the current dBm value of your signal, and that’s where wireless signal strength software comes in. Knowing what the WiFi signal strength dBm values mean and understanding how they can affect your online experience is only one half of the battle. What Is the Purpose of WiFi Signal Strength Software? Of course, you want the Signal-to-Noise ratio to be as high as possible so that it’s less likely for a signal to disappear in environmental noise. For example, if you receive a signal of -70 dBm and the noise floor is measured at – 80 dBm, the SNR is 10 dB. You can see just how much noise there is by measuring the Signal-to-Noise ratio (SNR), which is the difference in decibels between the received signal and the background noise level. If you’re in the same room as your wireless router and have trouble achieving good network performance, the chances are that there is a lot of environmental noise from various electronic devices and other wireless networks. Signal strength between -55 dBm and -75 dBm is acceptable, depending on how close or far away from your wireless router you happen to be. (289) 9.99 Get in Store app Description WiFi Tool is a powerful WiFi analyzer that scans for networks, measures signal strength, and finds the best WiFi channels for your network. Generally, -80 dBm is considered to be the minimum signal strength for basic connectivity, while -67 dBm is good WiFi signal strength even for streaming and other demanding tasks. The closer this number is to zero, the stronger the signal is. depending on the difficulty you choose, the map may have extra challenges), an equipment unlock system that actually grants the player new gear upon completing a mission, weapon physics tweaked, extra commands, squad members will automatically report to TOC when arresting suspects. Extra weapons/missions, mission changes (e.g. It tweaks squad and enemy AI, making them more intelligent. It doesn't take anything away really, it only enhances what's already there. Your squad mates can sustain injuries that they retain in the next mission, or if they die they're gone forever.Īnother option is Elite Force that is a mod for SWAT 4, and its one of the best mods I've ever used. There's a lot of customisation and one of the few games that punishes you for each action you did or didn't take. The mission design is very good, and unlike SWAT, you can plan how the mission will play out, make teams co-ordinate attacks or take on a mission with one soldier only. Rainbow Six 3: Raven Shield is another good one, and is much harder than SWAT in my opinion. Despite being older, the gameplay was way ahead of its time. Almost every object has bullet penetration, and your team mates and baddies won't hesitate to shoot through them (thin walls, glass, etc). The enemy AI is much more intelligent, they have very fast reaction times and are accurate shooters. The closest to SWAT 4 is SWAT 3, which imo is better in a lot of ways to 4. Here are the models to receive the future update: Device compatibilityĪlthough Apple keeps selling the Apple Watch Series 3, it won’t support watchOS 9. With the new Medication app, you can have reminders for medications, while helping you discreetly and conveniently keep track of your medications, vitamins, and supplements. With Sleep stages, you can see how much time you spent in REM, Core, or Deep sleep, as well as when you might have woken up. Now, with watchOS 9, the company is finally making it useful to all users. Apple calls it “singularly awesome for triathletes.” Sleep app and new Medication appĪpple introduced the Sleep app with watchOS 8. Last but not least, Multisport lets you automatically transition between swim, bike, and running. watchOS 9 now gives you instant feedback to know if you’re on pace to meet your goal and dynamic pacing helps you with that. In addition, it’s easy to customize your workouts and receive alerts for pace, heart rate, cadence, and power. Training zones are automatically calculated and personalized using your health data. With Heart Rate Zones, which is the main goal of the popular activity app Gentler Streak, watchOS 9 helps you understand the intensity level of your exercise. The display now lets you see more while working out by showing Activity rings, Heart Rate Zones, Power, and Elevation. WatchOS 9 is giving some love to the Workout app with new Workout Views. Workout app now displays more info, focuses on Heart Rate Zones, and more Last but not least, the Portrait watch face now works with pet portraits. Astronomy: Completely revamped, it adds super detailed 3D versions of the Earth and the Moon.Īpple also updated Modular, Modular Compact, X-Large, Simple, and Utility Watch Faces to take advantage of the larger displays available on the Apple Watch.Metropolitan: A classic watch face that replicates an analog watch but with multiple customization options.Playtime: A dynamic and interactive watch face created in collaboration with illustrator and artist Joi Fulton.Lunar: Apple describes it as a watch face that “depicts the relationship between the Gregorian calendar and lunar calendar ”.With watchOS 9, Apple is bringing four new Watch Faces: Lunar, Playtime, Metropolitan, and Astronomy. Here’s what you need to know about watchOS 9. Mac OS 9.2 | Mac OS 9.2.1 | Mac OS 9.2.With watchOS 9, Apple is polishing features introduced last year, such as Focus Mode, and Sleep tracking, revamping old Watch Faces, and adding new apps such as Medication, and more. Understanding Mac OS 9.2, the Classic Environment, and Classic Applications at eTutorials.ARCHIVED: In Mac OS X, what is the Classic environment, and how do I activate it? at Indiana University.↑ 6.0 6.1 Low End Mac’s Compleat* Guide to Mac OS 9 by Charles W.↑ Mac OS 9.1 to be 'Classic' environment in OS X by Dennis Sellers, Macworld.↑ Mac OS X Public Beta Review by Jason Buck, MacOpz.↑ Mac OS X Beta not worth installing for most users by Henry Norr, Tampa Bay Times.↑ Mac OS X - Technologies: Elegant Power., Apple Computer.↑ Mac OS X: Codename “Jaguar”, Apple Computer.Alternatives for modern versions of macOS include emulators such as Basilisk II, Mini vMac, QEMU, and SheepShaver. Mac OS X 10.5, which was part of the Intel transition, dropped support for classic applications entirely. Mac OS X 10.4.11 was the last version to support the Classic environment, which was an optional installation item with Mac OS 9.2.2. When the first retail version of Mac OS X 10.0 was released in March 2001, the minimum version of classic Mac OS to be supported was 9.1, which was included as part of the installation. Another transition technology called Carbon was also introduced, which allowed applications which took advantage of the API to run on both Mac OS 9 and PowerPC versions of Mac OS X. Stability was inconsistent and improved with successive public beta releases. Any problematic legacy program that would normally cause Mac OS 9 to crash could be contained and only require relaunching of the Classic environment without bringing down the main system.ĭuring beta testing of Mac OS X, the minimum version of classic Mac OS to be supported was 9.0.4, which needed to be installed separately. During its early development under the code name Rhapsody, a proof-of-concept called " Blue box" demonstrated that backward compatibility could be provided through a native application that would run the older software in a sandbox environment. Mac OS X is based on NeXTSTEP, which uses a Unix-based kernel that is inherently incompatible with classic Mac applications. But beyond this there are significant differences in the extent of their after sales service.Ībus don’t advertise much about their general customer service but I’ve heard good things about broken parts and even lost locks being replaced for free. And regular cleaning and lubrication can eliminate the problem of their locks jamming or sticking.Īll three brands offer a key replacement service and the option to buy keyed alike locks. They’re still not quite up to the standards of Abus or Kryptonite, but this is reflected in the price. However, more recently they have completely overhauled the technology and production techniques used in their locks, and there has been a marked improvement in both quality and reliability. In the past, OnGuard locks had a reputation for somewhat poorer quality. Their locks are generally well made, perform reasonably well in adverse weather conditions and last a long time. While Kryptonite don’t quite match Abus for quality or reliability, they’re not far off. In fact, here’s a great article on the manufacturing and testing processes at Abus. But European steel certainly has a better reputation for quality than Chinese steel.Īnd for those locks still manufactured in Germany, closer control over the production process makes it easier for Abus to ensure consistently high build quality and reliability. Whether this makes any difference is debatable of course. Perhaps this is to do with where the locks are manufactured? While Kryptonite and OnGuard are US brands that manufacture their locks in Taiwan and China, Abus are a German brand that still manufacture at least some of their locks in Europe. |
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