LetsEndorse Light that is powered by Gravity
LetsEndorse Light that is powered by Gravity
Combining kinetic and potential energy, GravityLight works by connecting an elevated weight — filled with rocks or sand — to a pulley system that slowly powers a generator as the weight falls to the ground.
How the Gravity Light is set to shine in the developing world
Heath Zenith HZ-5411-WH Heavy Duty Motion Sensor Security Light, White
Lutron Maestro Single-pole/3-way 5-Amp Occupancy Motion Sensor Light Switch, Gray in the Light Sensors department at
Globe Electric HZ-5411-WH Heavy Duty Motion Sensor Security Light, White, Bulb Not Included - Flood Lighting
Turning Gravity Into Light - Smarter Every Day 146
Brit inventors' GRAVITY POWERED LIGHT ships out after just 1 year • The Register
GravityLight, a lamp that generates energy using the force of gravity
Turning Gravity Into Light - Smarter Every Day 146
Gravity-powered lamp scoops £150k award
eLEDing Solar Power Microgrid CREE LED Pure Digital Smart for Dusk to Dawn Motion Activated Security Safety CCTV Street Parking Flood Spot Light(1)
Gravity-powered lamp scoops £150k award
Heath/Zenith HZ-4132-BK 150-Degree Bayside Mission Style Motion Sensing Decorative Security Lantern, Black, Bulb Not Included - Wall Porch Lights