DaveE's latest activity

I enjoy pedantically correcting minor errors of virtual strangers I will never meet in person. For example, your first bullet item...

Or good risk assessment. I doubt that he was nonchalant. It took him more than 40 years to die of cancer at age 70, which also happened...

I don't think high voltage distribution wires (in air on poles or towers) are coated with insulation. That would just add weight and...

Also, thicker wire will hold more ice. Ice on overhead wire is bad news. Heavy ice on wires alone is not necessarily why they come down...

Well, if it’s confessiom time I must admit I don’t use the glasses much. I bought them too dark and the beam path is very short. The key...

Y'all would be appalled at what engineers did in the cowboy days of the laser manufacturing business. They were careful (usually, LOL)...

Your laser will have a label that describes the hazard level (class). You might or might not need eye protection. Don't stare into the...

Also for an easy kludge, a hose clamp and foam tape around the lens. Not great in the optics world, but you get what you pay for. It'll...

If you are so inclined, you can make a good clamp with simple tools in a block of whatever (I'd use Aluminum). Drill a hole just a tiny...