Issue 57

Compact atomic clocks

Over the last five decades, the passage of time has been defined by room-sized atomic clocks that are now stable to one second in 100 million years. Experts from the Time and Frequency Group and the past president of the Institute of Physics describe a new generation of miniature atomic clocks that promise the next revolution in timekeeping.

Fabric that turns into concrete

Concrete Canvas began as an idea for rapidly deployable emergency shelters. Today, the concrete-filled fabric is used to line channels, stabilise slopes and protect infrastructure worldwide. Inventor Will Crawford explains how the technology developed and why it has found applications far beyond its original purpose.

Decommissioning North Sea giants

David Braben FREng - An Elite Entrepreneur

Remote access software