Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...
The experiment began in 1927 at the University of Queensland in Australia, when physicist Thomas Parnell set out to prove a simple point: materials that appear solid can, in fact, be fluids.
一部の結果でアクセス不可の可能性があるため、非表示になっています。
アクセス不可の結果を表示する