2 ms·

Not possible. https://physics.stackexchange.com/a/413990 https://physics.stackexchange.com/a/413990 https://en.wikipedia.org/wiki/Etendue#Conservation_of_eten

by fbanon 5y ago

Not possible. https://physics.stackexchange.com/a/413990 https://physics.stackexchange.com/a/413990 https://en.wikipedia.org/wiki/Etendue#Conservation_of_etendue https://en.wikipedia.org/wiki/Etendue#Conservation_of_etendu...

dandare 5y ago
Yep, that is my question :)