Video: Making a handmade glass bottle from sand is so hard

The concept is easy enough to follow: find sand, melt the crap out of it at over 2000 degrees Fahrenheit, and then watch sand turn into glass. But when you want to do something with that molten glass like say, make a glass bottle, it gets so much harder. You have to juggle so many skills at once—spinning! blowing!… »9/30/15 7:30pm9/30/15 7:30pm

Why can we see through glass but not other solids? Let this awesome video explain

It seems like a simple enough question - why are some materials transparent while others are opaque? But, as this video from the University of Nottingham's Sixty Symbols project explains, a lot of the most common explanations you get are fundamentally wrong. Watch a professional scientist recoil in horror at the… »2/20/11 10:30pm2/20/11 10:30pm

Major Discovery Could Lead to Wonder Woman's Invisible Plane

In the 1970s Wonder Woman TV show, the superheroine's invisible plane looked more like a glass plane. Which was, though not true to the comic, just as cool. And in fact a whole generation of TV-watching dorks grew up wanting glass planes as a result. Now those Wonder Woman fans may get their wishes. Researchers have… »6/26/08 11:00am6/26/08 11:00am