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 The Innovative Machine That Makes Building Roads Easy Salt Water Fuel Water Bounces Off New Super-Hydrophobic Metal Pattern Electronic Skin Can Feel a Fly’s Footsteps Using Sound Waves to Sense Motion – Controls Devices Non-newtonian liquid inside a speed bump
