The particles that hit the lens produced visible flashes recorded by a phone’s digicam on the other end of the field. “It’s a matter of finding the right steadiness – we would like the supplies to be effective at filtering…
The particles that hit the lens produced visible flashes recorded by a phone’s digicam on the other end of the field. “It’s a matter of finding the right steadiness – we would like the supplies to be effective at filtering…