In 1843, William Rowan Hamilton had a four-dimensional flash of insight that still shapes our three-dimensional world. When you purchase through links on our site, we may earn an affiliate ...

The Scribble Pen, you may remember, is a project by bay area startup Scribble Technology that puts a color sensor and multiple ink reservoirs in a pen. We’ve talked about it before, right after ...

Scribblenauts introduced a wholly original idea with a magic pencil that can create any noun or adjective in the game world.