Rolls-Royce plans mini nuclear reactors by 2029

By Roger Harrabin & Katie Prescott   Mini nuclear reactors could be generating power in the UK by the end of the decade. Manufacturer Rolls-Royce has told the BBC’s Today programme that it plans to install and operate factory-built power stations by 2029. Mini nuclear stations can be mass manufactured and delivered in chunks on […]

Tuberculosis vaccine finds an improved route

A widely used vaccine against tuberculosis has now been shown to provide almost complete protection when injected intravenously. This is a striking improvement over vaccination through the typical intradermal route. by Samuel M. Behar & Chris Sassetti Tuberculosis is the deadliest human infection, killing 1.5 million people in 2018 alone (go.nature.com/2kbuiq). It is widely accepted […]

Light waves can transport information more efficiently than electric current

A tiny switch could redirect light between computer chips in mere nanoseconds By Maria Temming Microscopic switches that route light signals between computer chips like tiny traffic conductors could help make faster, more efficient electronics. Light waves can carry information more easily than the electric current used in traditional circuitry, because particles of light called […]