23/03/2020

Aftershocks rattle Croatian capital a day after strong quake

Croatia has experienced a series of aftershocks a day after a strong earthquake caused widespread damage, killing a 15-year-old girl and injuring at least 27 other people amid a partial coronavirus lockdown of the capital.

School districts take unplanned plunge into online learning

In a whirlwind week, teachers came up with digital versions of everything from high-school English discussions to kindergarten gym classes, city officials scrambled to find laptops for students in need, and parents grappled ...

Researchers measure one-photon transitions in an unbound electron

The dynamics of electrons change ever so slightly on each interaction with a photon. Physicists at ETH Zurich have now measured such interplay in its arguably purest form—by recording the attosecond-scale time delays associated ...

New device quickly detects harmful bacteria in blood

Engineers have created a tiny device that can rapidly detect harmful bacteria in blood, allowing health care professionals to pinpoint the cause of potentially deadly infections and fight them with drugs.

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