I See UVC

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

Microscopic Journey

Adventure thru innerspace! And beyond! This is Sandra Tsing Loh with the Loh Down on Science. The Disneyland Tomorrowland ride let visitors travel “thru inner-space”. Riders were shrunk down to smaller than an atom, beyond the limit of microscope technology. Like in that sci-fi movie “Fantastic Voyage!” Cool, right? Current