mustangmanbob ✭✭✭✭✭

My sheep dogs were deemed COVID Non Essential Workers, so they stay home. **The sheep are running amok. ** (View Post)

I wonder if radioactivity might be another thing to check out. For example, there is a material called low background steel that is used in VERY sensitive medical work. This is because all modern ste… (View Post)

Kicking back with some friends and MRE's (View Post)

Yes, various "batches" changed over time. For example, when the money that was ultimately used to fund the Smithsonian Museum came to the United States, it was in English Gold coins. 1836 P… (View Post)

When making semiconductors, we used Silicon, single crystal, of ultra-high-purity “99.999999999%” Yes, it does make a difference. Cost and lawsuits are major factors. For example, a 1000 ounce bar, .… (View Post)