This Laser is Keeping Crops Safe Pests mistake the laser for a predator, leaving crops undamaged. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts Rodin Coil – Quantum Interaction & Perpetual Energy Bar Urinal Can Tell If You are Drunk Harvesting 200 – 400 liters of water per day from Fog Paint-Pod – Dripless Painting Scientists Invent Gel Controlled by Light Hovercraft Meets Aircraft