I put together the GB laser (thanks Greg for the GB) and everything works fine.
What type of eye protection is everyone wearing? The output power (not sure about the power density) is not greater than using a magnifying glass to focus the sun on a target.
What are the cool things to burn besides tape, dark plastic, flint powder, etc?
What type of eye protection is everyone wearing? The output power (not sure about the power density) is not greater than using a magnifying glass to focus the sun on a target.
What are the cool things to burn besides tape, dark plastic, flint powder, etc?