If Braun's ET66 calculator looks oddly familiar, like you've used it before, you probably have. Originally released in 1987, the ET66 shed the sliding switches of its predecessors, the ET22 released in 1976 and the ET44 released in 1978, and became an icon of product design. So much so that the iPhone's original calculator app was basically a rip-off of the ET66's design. As Steve Jobs liked to say: good artists copy, great artists steal. Read More >>

Looking for an easier way to change the color of your home without breaking out the paint brushes and rollers? Build it from Rubik's Cubes, instead of traditional materials like wood, steel, or drywall. Read More >>

We've already explained everything there is to know about Bitcoins and Bitcoin mining, except the most important question that homeowners across the country are asking: how many Bitcoins can I get for my house? Read More >>

It was the game that defined a revolution in handheld gaming, but during the countless hours you spent playing Tetris and neatly organising falling tetrominoes, did you ever stop and wonder how many of those pieces you'd need to build a full-size house? Probably not, after all, what kid spends their time dreaming about home engineering? Read More >>

If you were financially fortunate enough to be able to gift someone an actual house this year for Christmas, you'll want to do more than just hang a big bow on the front door. Unwrapping a mysterious present is half the fun of getting a gift, and with this handy calculator you'll be able to figure out just how many rolls of gift wrap you'd need for such a daunting task. Read More >>

Had she access to this useful online calculator, the wicked witch in that Hansel and Gretel fairytale wouldn't have had to settle for just a tiny cottage in the woods. She could have built herself a sprawling McMansion with proper planning, complete with a dedicated bakery just for kids. Read More >>

If you thought spelling out childish messages was the only fun you could have with a calculator, think again. Some incredibly talented hacker who goes by the handle Builderboy has written a Portal clone for Texas Instruments Ti-83 and Ti-84 graphing calculators. Read More >>

Twenty-seven years after introducing the world's first graphing calculator, Casio has developed its most sophisticated educational Game Boy ever. Indeed, the new Casio fx-CP400's 320 x 528 resolution screen isn't just colour—it's a freaking touchscreen that flips from vertical to horizontal. That's a far cry from the drab 94 x 64 display on the the Casio fx-7000G from 1985. Read More >>

Graphing calculator screens have always been behind the times. Even years ago, before smartphones, graphing calculator screens weren't nearly has good as their portable gaming counterparts. Now it seems an old favorite, the TI-84, is finally, finally getting an upgrade to colour. Why? Why not. Read More >>