Eli gave me a laser pen for my birthday recently and I’ve been having some fun playing around with it. It is just a standard 650nm red laser with under 5mw power but it is suprising how far you can see it.

Well actually how far you can see the reflection. So far I’ve gotten up to a bit over 300 meters at night, reflecting off a street sign further down our street.

I’m going to give it a try from mum & dads place, will be good to see how far away you can hit objects and still see the reflection back. Fun 🙂