3 U Penn students developed the µWave (microwave, get it?), an Arduino based kitchen hack that plays Youtube videos while you wait for noms. Once you set the cooking time the program goes to Youtube and finds a highly-rated video for the exact length. Read more about it at the project's website.
Sun Chao, a crafstman from Kaiyuan, China, spent 4 months working on this project. The result is a fully-functional bicycle made from over 10,000 Popsicle sticks. Its inaugural ride lasted 20 minutes and easily supported his 200lb weight.
That's a lot of terrible jokes to read.