berkeman's latest activity

I liked your reference to multiple levels, including the land of the rising sun. Reminds me of wonderful pictures of creeks that show...

This one I found is too good to not share here on Physicsforums; I am not sure where to place it and not sure just what to title it...

Maybe, but as illustrated by the reply by @phyzguy above, in order to be practical, there would need to be a way to harvest the energy...

One way to look at it is that the energy in a lightning bolt is about 1GJoule or 1,000,000 1,000,000,000 Joules. This is equal to about...

You learn quickly, which is good because you have a huge and fascinating subject out in front of you, and the Sun is about to rise.

Said in reply to a 12 year old looking into Japanese metallurgy. I hope it's original @Baluncore but even if not, it's a great turn of...

Asgard archaea: have we found our microbial ancestors? The Ascard Archaea are now widely hypothesized to have fused with...

Welcome to PF. :smile: Go ahead and start a thread in the Classical Physics or Electrical Engineering forum to ask your questions...

okay, appreciate it.

I am hoping that you have consulted an MSDS for the materials you are dealing with. The two concerns I notice are proper PPE (glove...

Nice. If you have general calculus questions (not related to schoolwork), you can post those in the Calculus technical math forum. If...

Thank you. I have taught at the elementary level, mostly 4th grade, for about 25 years. I went back to school and finished a BA in...

Thanks for your help and I will take your advice into mind, i didn't know much about metallurgy. I didn't realize that heat treatment...