Here we describe an electronic system that uses a dedicated water-level sensor to switch off the pump motor as soon as the ...
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Do you have ultrasonic hearing?
People constantly ask me if my hearing is better because I can’t see. Empirically, I think the answer is most certainly no. do I pay more attention to the things I hear and do I get a little bit more ...
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Using ultrasonic technology to make steaks softer
Can ultrasonic technology really make a steak more tender? 🔬 In today’s experiment, we put this idea to the test using an ultrasonic cleaner, a device that vibrates 40,000 times per second to break ...
Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...
It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
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