Business

Reducing carbon emissions in blockchain technologies

The environmental impact of blockchain technologies like Bitcoin and non-fungible tokens (NFTs) has come under increased scrutiny in recent years. Now, researchers from Qatar University have analyzed policy tools and interventions ...

Electronics & Semiconductors

Just add water to activate a disposable paper battery

A water-activated disposable paper battery is presented in a proof-of-principle study in Scientific Reports. The authors suggest that it could be used to power a wide range of low-power, single-use disposable electronics—such ...

Engineering

Squid skin–inspired material is a game changer

Inside a lab in the Calit2 building, Aleksandra Strzelecka opens a drawer, pulls out a small square sheet and hands it to a visitor. The brownish, rubbery material stretches to more than double its original size.

Automotive

'Opt for cycling': French car ads must back alternatives

Car advertisements in France will have to include messages encouraging people to consider less-polluting travel alternatives from 2022 as part of the government's drive to rein in CO2 emissions.

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