18/01/2022

Look up and watch asteroid 1994 PC1 fly past Earth this week

In a slow moving universe, asteroids give us a rare chance to see things moving in real time. We have such a chance coming right up on the evening of Tuesday, January 18, when 1.1-kilometer asteroid (7482) 1994 PC1 passes ...

Nanobubbles provide pathway to build better medical devices

Researchers from the University of Sydney Nano Institute and School of Chemistry have revealed that tiny gas bubbles—nanobubbles just 100 billionths of a meter high—form on surfaces in unexpected situations, providing ...

Images reveal devastation in tsunami-hit Tonga

A volcano that exploded in the Pacific island nation of Tonga has almost disappeared from view, new images revealed Tuesday, with swathes of the country smothered in grey dust or damaged by a tsunami.

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