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...

Hi, my name is Andrea. I’m 60 years old and have developed an interest in Quantum Physics and Quantum Computing. I enjoy algebra (will...

You can just use a good epoxy to glue it to whatever you can find (hint: eBay...). You shouldn't need anything special. You probably...

https://cen.acs.org/pharmaceuticals/drug-discovery/vancomycin-derivative-targets-Gram-negative-bacteria/103/web/2025/12?sc=251211_sc_eng_...

Looks like I am going to have to get LT Spice downloaded.

That's true for the basic principles of every physical theory. Look at it this way. A proof starts with assumptions and uses deductive...

Yes. Ref. https://www.feynmanlectures.caltech.edu/II_01.html