GRAVITY LIGHT
It's called a GravityLight™ and it works without needing electricity.
It doesn't use any batteries.
It doesn't use any fuel.
It doesn't need solar power.
This means that 2 billion people who don't have electricity can use this invention to light up their ho
Bill Gates called this $6 invention "a pretty cool innovation".
Over 2 billion people on earth don't have electricity but these simple inventions are helping.
This is the most efficient and effective way to resolve the problems of those people who do not have the electricity on the earth.
Most live in rural or remote areas that are off the electrical grid but others can't afford electricity because they're poor and live on less than $2 a day.
Inventors have been working on this problem and have created effective, inexpensive, simple inventions that don't require electricity.
Jane Chen and Rajan Patel are co-inventors of the award winning incubator pouch for premature babies.
Jessica Lin, along with co-inventors, Hemali Thakker, Julia Silverman and Jessica Matthews invented the sOccket, an award winning innovation that uses a soccer ball to harness and store electrical energy when kicked.
Multiple award winning inventor Emily Cummins created an inexpensive, simple, natural biological cooler that refrigerates perishable foods and medicine.
image of gravity light inventionThe latest simple invention to address this electricity problem comes from co-inventors Jim Reeves and Martin Riddiford.
They spent four years developing their award winning GravityLight™, which is a light that requires no electricity, no batteries or solar dependency to operate.
Instead it uses the force of gravity to create light.
A weight is connected to the end of a rope that loops through the light casing. The light is hung from any structure or tree.
You pull on the rope to lift the weight to the casing.
When you let go of the rope the weight gradually falls and pulls the rope through gears that turn a small generator to power LEDS on the light.
The light shines for about 25 minutes and it only takes 3 seconds to pull the rope to restart the cycle again.
To demonstrate the feasibility of their invention they decided to raise funds for field testing.
They launched a crowdfunding campaign on Indiegogo to raise $55,000 but received close to $400,000.
photo of Bill Gates Jim acknowledges that the success and support for the campaign was helped by an unexpected endorsement from Bill Gates who tweeted, "GravityLight is a pretty cool innovation which could be a source of cheap light in developing markets."
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