"Understeer" and "oversteer" and terms we hear and use a lot in the automotive community, and sometimes actually encounter behind the wheel. If you're not completely sure what these words really mean and you're too embarrassed to ask or admit you don't understand physics, don't worry. Just watch this.
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If you head down to an Apple store today, you'll see a program of educational sessions on offer for the first time in Australia - covering everything from photo and video to music, coding, art and design.
Dubbed "Today at Apple", the sessions will take place in every Apple Store, every hour (during store hours). In Australia alone there will be over 1,000 hours of free programming on offer each week.
Video: The next time you complain about spending thousands of dollars on a precision camera lens, stop and think about all the all hard work that went into its design and creation. As camera maker Mats Wernersson reveals, were you to make a lens yourself, you'd be spending days ensuring every last component was flawless.
I'm going to go out on a limb and say that a safe 102% of the readers of this site are fans of both cars and a vast and disgusting variety of sexual acts. And that's great. My stand on cars is well established (quite pro) and when it comes to sex, I can't think of a more enjoyable way to get the maximum genetic diversity to my offspring. Plus, it gives my genitals something to do other than pee all the time, which any old stupid catheter could do, and probably better.
Modern mobile phones pose an interesting dilemma. As our most important tool, ingrained into every aspect of our lives, they are stared at and handled more than the Princess Leias at Comic Con. Unfortunately, sometimes we lose and leave our fancy devices in mysterious places.
Fortunately, there are ways you can track down your lost phone. Here's how.
That means the personal data of Yahoo account holders - including names, email addresses, telephone numbers, dates of birth, hashed passwords and, in some cases, encrypted or unencrypted security questions and answers - is now known to a third party, and likely being used for nefarious purposes.
So what should you do now?
Video: I don't think it's possible to make anything cooler with your own two hands than this homemade multicolour fire tornado that spins around and weaves itself together with absolutely no moving parts. The only thing you need to do is cut up a glass cylinder and then offset the half-cylinders a little bit to let air flow do its thing to create the fire vortex.
Video: If you're interested in melting metal, and you totally should be because it's basically the most fun way to recycle soft drink cans, The Art of Weapons details how to make an electric foundry for metal casting. Using charcoal to heat up a foundry can get a bit dirty so it makes much more sense to melt metal by running electric heat through coils. With a little bit of electricity know-how, you'll be on your way to torching things in no time.
Video: Apparently, there are two schools of thought when it comes to washing your hands. There's the US CDC (Centres for Disease Control and Prevention) approved way, which we all do already. Which is wrong. And there's the WHO (World Health Organisation) method, which is better and cleaner and "microbiologically more effective". Which is right. The CDC way? Just rubbing your hands together. The WHO way? Well, it's something else.
Video: Turning an old can into a grater might be a tedious process, but it offers the advantage of getting all those little food strips inside a vessel you can easily dump onto whatever you're making. With a little plastic wrap it could even be used to store your pre-grated ingredients for later — and it comes at the low price of basically free.