Portal:Science/Did you know/4


 * ...that a laser harp (pictured) is an electronic musical instrument consisting of several laser beams that are blocked to produce sound?
 * ...that Terminonatator ponteixensis is the type and only species described for Terminonatator, a genus of elasmosaurid plesiosaur from Late Cretaceous of Saskatchewan, Canada?
 * ...necrotizing fasciitis is a rare infection of subcutaneous tissues that results in the necrosis of the flesh?
 * ...Napalm-B, used in the Vietnam War, was synthesized with only three ingredients: polystyrene, gasoline, and benzene?
 * ...Active noise canceling headphones, use circuitry to produce destructive wave interference to attenuate background sound?