Since we launched We the People, our team of developers has been hard at work on the code that makes the whole thing tick.

WHITEHOUSE: Our Top Stories

As I counted the hours on my last day at Desert Rhino Camp, I tried hard to remind myself of why I was there: to learn about rhino conservation, not to tick off a sighting.

BBC: Saving rhinos in Namibia

But as the seconds tick away to the firing up of a revolutionary new British space engine, it's hard not to speculate on its chances of success.

BBC: Skylon: A British dream of space