Not to nitpick (I only stumbled upon this recently myself), but the mechanism driving a Crookes radiometer (which I presume is the type you're talking about) is not photon pressure, but interactions with the low pressure gas in the bulb [1].

[1]: https://en.wikipedia.org/wiki/Crookes_radiometer#Explanation...

Thase are great. here is a brilliant technology connections video about it.

https://youtu.be/t-JN2U4jHgk?feature=shared