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 Man Builds Giant Tsunami Safe Pods Perpetual Rock Climbing – Climblock Rotor Wall This Woman is Wearing an Invisible Bike Helmet TouchScreen Display for Your Bath Another Look at the Magic Morphing Table Putting Out Fires With Sound – DARPA
