Why I sent back Amazon's creepy, new household robot

Cotton candy is a staple of sporting events, county fairs and birthday parties for kids. Wouldn’t it be cool to shoot cotton candy out of a gun? Would it work? More importantly, would it still be edible?

You might think there is no connection between art and math. One uses complex numbers that a computer can solve quickly. The other is all about creativity and, for the time being, still requires a human touch. But math can help explain the secrets behind works of art that we never understood before.

The Spacetop is a keyboard connected to a pair of augmented reality glasses. Put them on to see a massive 100-inch screen only you can see.

The lightbulb has been around for nearly 150 years. This simple device uses electricity to heat a small piece of filament so that it glows brightly. But, this simple invention led to an enormous amount of additional discoveries that you may not realize.

We all know the saying A, E, I, O, U and sometimes Y are vowels. While this is technically correct, there is more going on than simple linguistics. Some say W also falls into this category. Here’s why.

Workers in Oviedo, Florida, sent a robotic cam into a storm drain to investigate potholes … and found what may be your worst nightmare: A huge alligator.

Ky Michaelson from Minnesota has invented countless machines, holds a ton of patents and has set dozens of speed records. His latest creation: A beer-powered motorcycle that runs on a 14-gallon keg. You have to see this thing.

Robotic lawnmowers onboard GPS can leave 10% of owners’ lawns remain untouched for bees, butterflies, and whatever else. Check out this video that explains how it works.