By Casey Chan on at

It may not look like it, but there's a tennis ball in this picture. On being hit at 142 miles per hour, the fuzzy green orb completely flattens against the racket. Great fun to watch the whole thing in slow motion. See more >>

By Jamie Condliffe on at

Google has added hundreds of photos and new options to its Gmail service that can make your email client look much more pretty. Read more >>

By Andrew Liszewski on at

Many people assume that one day TV and mobile displays will be replaced by floating holograms. And with this unique 3D display that uses invisible fog to generate floating objects, we’re one step closer. Read More >>