Etsy merchant Stella Bleu Designs uses vintage looking pipes to create beautiful looking bookshelves. Perfect for a steampunk home (preferably with lots of studs).
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.