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Gravity Light - Y.Delecroix - Coggle Diagram
Gravity Light - Y.Delecroix
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Speaker and creators
Jim Reeves
Martin Riddford
Nationality : British
crowdsourcing
Target
Africa
India
1.5 million without electricity
GRAVITY LIGHT - how does it work
fill materials
gravel
sand
soil
lift
3 seconds
light for 30 minutes
hang the product
SOLAR PANEL
drawbacks
more expensive
need to charge batteries
advantage
more powerful
KEROSENE LAMPS
functions
heat
make light
cook
drawback
fire
Gravity light advantages
no batteries
no fires
No CO2
safe to use
not expensive
5 dollars
future
1,000 products/units
improve
feedbacks