The week gone by may be best remembered for the 40th anniversary of the Apollo 11 moon landing, but that wasn't the only big story to emerge from the world of science and technology. Here are some others:
Computer scientists at the University of Washington have come up with a scheme that allows users to encrypt data using a key that is then stored online in a distributed computing network. As nodes drop off the network, the key is eventually lost, meaning the data is essentially lost.
