6 ms·
triboluminescence https://www.nytimes.com/2007/06/19/science/19winto.html https://www.nytimes.com/2007/06/19/science/19winto.html
by dekhn 1y ago
triboluminescence https://www.nytimes.com/2007/06/19/science/19winto.html https://www.nytimes.com/2007/06/19/science/19winto.html