A machine that makes electricity from laughter

Name :
IKARASHI Kosei
COUNTRY :
Japan / Yamagata
AGE :
11
YEAR :
2022
PRIZE :
NHK President's Prize
COMMENTARY :
I hope that there are no more wars and the world is filled with laughter. This machine gathers that laughter to make electricity and prevent global warming.
A machine that makes electricity from laughter