Here's a good video that describes the laws of thermodynamics in an intuitive way, and why perpetual motion machines won't work.
It's comforting to know that Professor Eric Laithwaite (1921-1997) former Professor of Heavy Electrical Engineering at Imperial College London and inventor of the maglev trains felt the same way as Insane Clown Posse about magnets. His opening remark in this 1975 video is "Permanent magnets are difficult things to understand. In fact, if we're absolutely… READ THE REST
I just learned about the "Center of the Universe" — a strange acoustic phenomenon in Tulsa, Oklahoma. Stand at the right spot, and your voice will echo wildly around the architecture, no matter how soft or loud you try to speak. But to listeners just outside that specific spot? Your voice completely disappears. The architect… READ THE REST
In this footage posted by Cody's Lab, there's a nice little breeze: perfect weather to float an anvil in liquid mercury. (Quicksilver is relatively safe to handle; it's mercury salts and compounds that will drive you mad) READ THE REST
ether it's with your voice or a silent but effective side-eye, humans are master communicators. And just like English, Spanish, or French, American Sign Language is another one of the many ways we can communicate with both loved ones, complete strangers, and even little kids. Even if you don't know anyone who uses ASL to… READ THE REST
Diving is a sport in and of itself, but what about underwater photography and videography? Aside from taking in the ocean depths and generally just trying to stay alive, you have to maneuver between a plethora of underwater camera equipment, which includes the camera itself, lenses, strobes, and many more. That's hard enough when you're… READ THE REST
Our world is dominated by mobile devices, some of which can even outperform laptops. When it comes to tablets, in particular, no one can seem to get their eyes off Apple's iPad. Whether the Mini or the Pro, iPads have long been some of the bestselling tablets to date. But as with all Apple products,… READ THE REST