By Andrew Liszewski on at

Point a projector at anything other than a completely flat screen, and you’ll end up with a distorted image. But a team of Japanese researchers have designed a projector that can compensate for warped and moving surfaces, making the image look more like a perfectly applied sticker. See more >>

By Casey Chan on at

Here are three really easy magic tricks that you can pull with just a pen: making it disappear, making it appear out of nowhere, and making it look super small. See more >>