This improbable membrane can trap flies in a jar—and odor in a toilet Reverse filter lets bigger things through, hold back smaller things. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts Camera System Automatically Tracks Fast Moving Targets Air-purifying Billboard Does The Work of 1,200 Trees Helium Floating Wind Turbine Doubles The Power Draw In Midair Using This Cool Pen NASA’s Magic Tiles: Hold 2,200 Degree Heat In Your Hands Instantly Measuring Sugar Content of Produce
