26/06/2019

E-bikes encounter rocky road to approval despite popularity

Gordon Goodwin and his wife are rediscovering their passion for bicycling in their senior years thanks to new electric-assist bikes. The electric motors provide a gentle kick, making it easier for them to pedal up hilly roads ...

Research reveals exotic quantum states in double-layer graphene

Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional ...

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