Chemists have synthesized novel benzopyranoquinoline compounds in water in just fifteen minutes using ultrasound and a ...
Dolphins can find their way through dark, murky water by listening to echoes. Inspired by this ability, researchers in South ...
A research team led by Nae-Eung Lee, a professor at the School of Advanced Materials Science and Engineering at Sungkyunkwan ...
I get a steady stream of emails from people whose dogs have become anxious, reactive, or simply different since an ultrasonic bark deterrent entered the house. I wrote about these devices years ago. I ...
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