The Analog Tele-Phonographer is Christopher Locke's fantastic smartphone amplifier made from salvaged, chimeraed brass instruments. Each one is different, and each one is awesome in its own way.
These devices are made from salvaged trumpets and other brass instruments, with assorted machine parts.
Read more in Music at Boing Boing
I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.