When the arrow is moved to a particular distance behind the glass, it looks like it reversed itself. When light passes from one material to another, it can bend or refract. In the experiment that you just completed, light traveled from the air, through the glass, through the water, through the back of the glass, and then back through the air, before hitting the arrow. Anytime that light passes from one medium, or material, into another, it refracts.
The International Space Station is a habitable man-made satellite currently in orbit around the Earth. Launched in 1998, the ISS is used mainly as a microgravity and space environment research laboratory where astronauts perform experiments in large variety of fields, including biology and physics. In order to be hospitable for crew members and scientists, the ISS needs energy. To do this, the station uses its solar panels to capture rays of sun and power the station up. In order to garner th...
Everybody loves burritos. E-V-E-R-Y-B-O-D-Y.
Ever since the mid-2000s, there's been a lot of bandying back and forth on the Internet over what exactly Steampunk is. Some people think it's one thing, others another thing, and some think that it shouldn't be defined at all.
Make your head magically explode to the horror of parents and the glee of enemies without damage to yourself by learning how to digitally force your head to go ka-boom on the computer.
This video shows how to do a 'kick flip' on a skateboard. The man instructing begins by getting the things he will need, which are a skateboard and a pair of shoes. He demonstrates where to place your feet, with the left foot on the middle of the board and the right foot on the end. The next step is to kick the board up with your right foot and flick your left foot up and off, then quickly jump back on after the board flips. He shows a real life example of a successful 'kick flip', and then g...
Want to know someone's private website password? It's the biggest wanted hack: passwords, but how do you do it? Well, this tutorial shows you how to hack any password on any site with JavaScript. But this works best on public computers because multiple people log on to them, which means a better chance at unintentionally stored passwords. It helps to know a little bit about JavaScript before attempting this password hack.
What is an oscilloscope? Well, it's an electronic instrument that produces traces of color on a cathode-ray tube that corresponds to oscillations of voltage and current. Check out this video to learn how to make the world's simplest scilloscope. The best part? You can do it in five minutes.
Did you know it's possible to light a match simply by using your teeth? You can look like a total badass if you learn how to do this trick properly, although you might get burned in the process. From Revision3:
Get the inside scoop on Wizard101 hacks, cheats, tricks, tips, and walkthroughs! Watch this video tutorial to learn how to hack Wizard101 with Cheat Engine.
Get the inside scoop on Wizard101 hacks, cheats, tricks, tips, and walkthroughs! Watch this video tutorial to learn how to find cheat codes in Wizard101.
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to create rotating planets and moons in Photoshop.
Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to create a jellyfish environment in Photoshop.
In this how to video you will see an opera singer warm up her voice. While singing opera may seem heavenly, vocal production itself is a down-to-earth physical experience, requiring athletic discipline as well as artistry. An effective warm up is essential before attempting any type of singing.
Don't buy those $100+ laser pointers. Watch this video, and for under $50 you can make your own that is capable of burning, popping balloons, and cutting things!
This video will help you learn how to create an Explosive rainbow color swath in Photoshop. First open a new file, keep the width 845, height 475, RGB color mode and white background.
This language tutorial teaches you how to read and write in Arabic. You should already know the Arabic alphabet before attempting to read and write Arabic. This video is for beginning Arabic students.
Lunges are a great whole leg workout that you can do at home with simple, inexpensive equipment. This Scooby's Workshop video shows proper form of this exercise. If you have a history of knee problems you should not attempt this unless under the direct supervision of your physical therapist.
Drawing body organs have never been easy; and on top of that, drawing hand figures is the most complicated thing to draw. View this amazingly fantastic self explanatory video to learn quickly how to draw the shape of hands. View this video for its remarkable techniques which can be used by teachers, painters, students, etc., in their related work-sphere. The video attempts to capture all the intricacies of drawing a hand which includes drawing borderlines, shading at the correct places so tha...
Stop prodding and poking with needles in attempt to remove a splinter. First try letting some all purpose glue dry over the spot. Then, with any luck, the splinter will be plucked from the skin as the dry glue is peeled away.
Insert music into your videos knowing that the music won't be removed when posted due to copyright issues. Go to incompetech.com/m/c/royalty-free and you will be able to find a massive collection of royalty free music that you can use to your heart's content with having to worry. There is music from many genres such as Jazz or Modern. Songs can previewed before you download them to find out if it is worth the effort to download it. These songs can be used as many times as needed unless an att...
http://www.enigmasoftware.com/support... Having problems with your anti-virus software on Windows?
Get the inside scoop on Wizard101 hacks, cheats, tricks, tips, and walkthroughs! Watch this video tutorial to learn how to find the Krokotopia beetles in Wizard101.
Get the inside scoop on Wizard101 hacks, cheats, tricks, tips, and walkthroughs! Watch this video tutorial to learn how to get money fast and easy in Wizard101 (09/16/09). There is no fighting here.
Get the inside scoop on Wizard101 hacks, cheats, tricks, tips, and walkthroughs! Watch this video tutorial to learn how to turn into your pet in Wizard 101 (09/15/09).
Tackling in field hockey is essential to having a strong defense, and there are subtleties that a defender must know when attempting to tackle without being penalized. Learn how to tackle in field hockey in this video tutorial.
If you're going to do this, be careful, as your fingers get close to operating high voltage devices & potentially fatal current! Remember that TV's can store a lot of energy for a long time, so don't be poking your finger everywhere - even if the TV is off.
There's only one thing keeping hackers, thieves, law enforcement agencies, and maybe even the people you thought you could trust from breaking into your iPhone should they ever get possession of the device. Their odds of bypassing that thing are pretty good, but there's an easy way to make it an almost impossible feat.
Have you ever been locked out of your iPhone? Maybe you forgot your passcode. Or perhaps someone with access changed the passcode as a prank. Your iPhone's display could have even been damaged and unresponsive. Whatever the reason, there's an easy way to get back access to your iPhone the next time it happens.
It's about that time again: Facebook has announced the dates for its annual Facebook Connect (formerly known as Oculus Connect until last year).
You can't hand over your iPhone to a kid and expect everything to be OK. Not only will they drop your iPhone (and they will), they could also do something much worse than a cracked screen — in-app purchases.
We've reached the point in the trajectory of augmented reality's growth where AR advertising experiences are becoming commonplace tactics rather than rare experiments.
The impact of the COVID-19 pandemic caused by the novel coronavirus has practically guaranteed that the virus, along with the phrases "social distancing" and "flattening the curve," will rank among the top search terms of 2020. USA Today combined the phrases in its latest augmented reality experience, which quizzes your knowledge in the best practices of social distancing.
An attacker can repurpose public MyBB forums to act as command-and-control servers. It only takes a few lines of code to configure a MacBook to fetch commands and send responses to any website the attacker desires.
We've all seen the login pages that allow you to log in to third-party accounts using your credentials from Facebook, Google, or Twitter. It saves you the trouble of creating another account and remembering more passwords — but it can also become a privacy and security issue, which is why Apple created the "Sign in with Apple" feature for iOS 13.
Every summer for the last 26 years, hoards of hackers have descended on the Las Vegas Strip for DEFCON, the biggest hacker conference in the US. There's a wealth of talks every season (DEFCON 27 has at least 95 scheduled), and there have been some essential topics to learn from in past discussions. We've dug through the last ten years and found the 15 most popular talks you should watch.
There's something extremely satisfying about hunting down your online adversaries and knocking them out with a well-placed shot, which probably explains why shooting games are still one some of the most popular time killers for iOS and Android.
If you're worried about the security of your Mac, there are easy measures to prevent the most dangerous attacks. Named after the tactic of accessing an unattended computer in a hotel room, we can thwart "evil maid" attacks with Do Not Disturb and LuLu, free macOS tools by Objective-See that keep an eye on unattended computers and flag suspicious network connections that indicate a malware infection.
Apple's Gatekeeper security software for macOS (Mac OS X) is vulnerable to remote attacks up to version 10.14.5. An attacker that's anywhere in the world can exploit MacBooks and other Mac computers by sharing a single ZIP file.
The rise and fall of Meta, the Silicon Valley-based augmented reality startup that looked to challenge the likes of Microsoft's HoloLens, and others, took just six years.
