Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward ...
A newly designed robust mechanophore provides early warning against mechanical failure while resisting heat and UV, report ...
Space.com on MSNOpinion
The universe may be lopsided, new research says
But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...
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