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?