Coffee on the nanoscale: Graphene oxide membrane removes half the caffeine while retaining key compounds

WorldPing

The humble coffee filter has the relatively simple job of letting the coffee through and leaving the grounds behind.

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Phys.org•

Two-color light steers electrons through graphene's transient topological state

The electronic properties of materials are typically determined by their structure under normal, undisturbed conditions, when they are in a state known as equilibrium.

Brief by WorldPing · Original reporting by Phys.org

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Fortune•

Central Command says U.S. military has aided the transit of 1 billion barrels of oil through Hormuz in past two months while Iran has ‘exported zero’

Adm. Brad Cooper said the volume of oil, natural gas and cargo transiting over the past two weeks is the highest it has been in six months.

Brief by WorldPing · Original reporting by Fortune