Build your collection and connect with people who share your taste.
Sylvain Charbonneau
2000
How do we convert motion into electricity?
7.0• 2011
7.8• 2012
7.4• 2022
7.4• 2014
6.5• 2011
7.2• 1963
5.9• 2019
7.2• 2022
7.1• 2021
6.9• 2013
7.1• 2008
6.4• 1939