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 Inflatable Injury Stabilizer Scientists Invented The Tractor Beam! Pretty Neat Swedish Invention – Hook & Moor 7 Incredible Solar Powered Creations Air-purifying Billboard Does The Work of 1,200 Trees Opposed Piston Opposed Cylinder Engine
