David Wadström
Stockholm - Sweden
I purify water with solar energy
0 Like
Partager
Her invention resembles a simple jerry can. But it is the fruit of years of technological research. Its function: transforming bacteria-infested water into drinking water in just a few hours. Magic.
À DÉCOUVRIR
-
David WadströmI purify water with solar energy -
Thomas GranierI'm building sustainable earthen roofs
-
Sameer SawarkarI offer an inexpensive complete check-up via telephone.
-
Jason ChenI created a deodorising fabric with coffee grounds
-
Felipe VergaraI started a fair student loan scheme
-
Soledad Pinero MisaThe toys I recommend for children aren’t made by other children
-
Mariouche GagnéI give a new life to used fur coats
-
Jan Peter BergkvistI co-created the world’s first chain of eco-hotels
-
Trash from the sea is treasure for our art
-
La Nuit du Clean Tag
-
Miguel NeivaI help the colour blind see colours
-
Atanase PérifanI created Neighbour Day
-
Anders WilhelmsonI created the world's simplest toilets
-
Aline Mathilde PelsersWe started Homeless Man of the Year
-
Bright SimonsI track fake medication
-
Wolfram PalitzschI recycle rare earth metals
-
My technology reduces shipping emissions
-
Eric ScottoI construct photovoltaic greenhouses to combine green energy with organic farming
-
Patricia DutreuxThese wood bricks don't need nails, screws, or glue
-
Anne-Sophie Tricart et Cédric MarchalWe created a seventh heaven on the Internet


















