Tuesday, April 26, 2022

Ukraine round-up: UN chief appeals to Putin while Russia cuts gas to Poland

The UN secretary general meets Russia's president as Western defence ministers discuss weapons aid.

from BBC News - World https://ift.tt/m8dpHy4
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Nonreciprocal light speed control achieved using cavity magnonics device - Phys.org

Nonreciprocal light speed control achieved using cavity magnonics device    Phys.org from Top stories - Google News https://ift.tt/Iba9KTm...