I posted a video the other night i saw of some nerd on youtube who built some stupid powerful laser, already enough to set records, then put an optical lens on it to focus it and long story short it could ignite (burning, not melting) a penny in seconds
IR lasers can cause eye damage without triggering a blink reflex
They’re actually kinda scary ngl
I posted a video the other night i saw of some nerd on youtube who built some stupid powerful laser, already enough to set records, then put an optical lens on it to focus it and long story short it could ignite (burning, not melting) a penny in seconds
Styropyro, he’s great