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1.
Scientists made espresso with sound instead of heat, and most drinkers couldn't tell the difference (techspot.com)
2.
Using Sound Waves To Make Espresso Could Cut Coffee-Brewing Energy Use By 75% (slashdot.org)
3.
There’s a Hidden Signal in the Sun, Study Suggests (gizmodo.com)
4.
A startup says it can replace home sprinklers with sound waves. Fire safety experts say show us the data (techspot.com)
5.
Scientists Found a Weird New Way to Wash Fruits and Vegetables (gizmodo.com)
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