2.13 Visningar
13-year-old inventor Aidan has discovered that trees use a mathematical formula to gather sunlight in crowded forests. Now he wonders why we don't collect solar energy the same way.
Släpp: Jan 18, 2013
Körning: 4 minuter
Språk: English
Land: United States of America
Kasta: Aidan Dwyer, Rosamond Kinzler