The range of materials that concrete contains, such as stone, chalk, and sand, scatters normal sound waves, making clear ...
This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...
The mystery of dark matter—unseen, pervasive, and essential in standard cosmology—has loomed over physics for decades. In new ...
Modern Engineering Marvels on MSN
“It shouldn’t pulse this slowly” a Milky Way beacon forces new physics questions
The Milky Way has a source that is sending out a rhythm that compact-star theory can hardly explain: two minutes burst every 44 minutes, and in radio waves and in X-rays. The object, ASKAP J1832−0911, ...
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