Can your server keep a secret ?

If you’re worried about cloud computers leaking data, help is on the way. But you might not like the performance. THE DESIGNERS of silicon chips have a lot to worry about. It can take months for a design to make it through the fab, and if things go wrong repairing any problems in the circuitry is a hugely expensive endeavour, not least because it costs millions just to make the intricate masks that print the design onto the silicon wafer.