Optical indicators based on cholesteric liquid crystal polymers

Optical indicators based colored polymers are autonomous responsive labels that provide an optical signal to represent a specific exposure over time. Polymers that possess a high degree of order can establish structural color, ...

Hawaii recoups from big storm amid lingering flood threats

A slow-moving storm that knocked out power, swamped dozens of homes and sent creeks and streams surging had mostly passed over Hawaii on Tuesday, though the threat of flooding lingered in some already-drenched areas.

Testing lice traps on the Hardanger coast

Salmon lice are one of the biggest challenges for the Norwegian aquaculture industry today and pose a threat to wild salmon. The authorities have therefore introduced several measures to reduce the lice levels in production ...

Driving a changed approach to shopping

Small suburban shopping centres are disproportionately threatened by policies on climate change and traffic congestion that discourage consumers from using their cars, research shows.

A traffic light route to ending the economic lockdown

Easing the lockdown through a traffic light system could help to reboot the economy, provide a clear sense of direction and instill hope, according to new proposals set out by UCL.

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