TONIGHT (3rd December) at 17:55 EST/22:55 GMT, two Astro Pi units containing Raspberry Pi computers and SenseHATs launch from Cape Canaveral, on their way to the International Space Station. You can watch the launch live via the Astro Pi website. Astronaut Tim Peake will join them on 15th December and start experiments written by school children. More information can be found on the Raspberry Pi website.