Finally, we can talk smack—WITHOUT it coming back! This is Sandra Tsing Loh with the Loh Down on Science. Imagine talking to someone across a crowded room—without anyone else hearing! Jia-Xin Zhong and team from Penn State have discovered a way to create “audible enclaves.” They bent sound waves by
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Surf’s up dude! Grab your. . . calculator? This is Sandra Tsing Loh with the Loh Down on Science. Surfers travel all over the world in search of the perfect wave. But even if you’re not riding monster waves in Hawaii, you deserve a good ride. It’ll happen, IF you
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Can cameras “see” invisible light? This is Sandra Tsing Loh with The Loh Down on Science. My sunscreen protects against U-V-A and U-V-B, but what about U-V-C!?!?!? Yes, there is a THIRD type of U-V light! Fortunately we are protected from it by the earth’s ozone. UNfortunately, there are weak
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