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 Demonstrating Quantum Supremacy Nobel Prize In Chemistry Rewards Thinking Very, Very Small The Hot Tub Boat Augmented Reality For Product Packaging The Wind Catcher invention Scientists Invented The Tractor Beam!
