russ_watters's latest activity

Just to add, for traffic radar this means that the beam eventually becomes wider than a car. Then the echo is partially off the...

Mainly they just spread out.

I think you could start to answer some of these questions by reading about "Link Budget", which deals with the loss of energy or...

Laminated timber is a bit less strong than sawn timber of the same size, , but has its advantages in certain cases. Be aware of the...

A flexible joint is a joint that is considered a pinned joint that is free to rotate the beam at that joint. Many beam to column...

2. Almost everything we use is "electromagnetic radiation" which includes light, IR, UV, radio, gamma, etc. It's all different...

That's an important question worthy of discussion. The answer isn't simple. If I had to give a short answer it's this: the color...

I've got more data! :smile: Here's M100 (a.k.a., NGC 4321, "The Blowdryer Galaxy," "The Mirror Galaxy") with about 37 hours of data...

The reality is that college IS a trade school for almost everybody in the US. Whether we like it or not. A lot of this was driven by...

I haven't done much astronomy myself but I'd say thats pretty impressive to capture an asteroid within a month of observing. :thumbup:

Mystery solved! (A bit sad that I cannot name it Planet Bob). But... I've captured Tyche :)

There is a 1980 BBC eight part miniseries called Oppenheimer streaming on Tubi ( free) starring Sam Waterston as Oppenheimer and David...

Most of that launch capacity has been for in-house missions: Starlink.

Only if they abuse the monopoly. SpaceX saves its customers billions.

What they meant was that his salary is approx 137 times larger than hers. 137 being, of course, the fine structure constant!