DaveC426913's latest activity

On the contrary, his scores average exactly 3/5. He's not giving you an absolute scale; he's giving you relative scale - which must...

I prefer the two colourful abstracts. This is my top pick: My own style is mostly about color and pattern in unusual places. (And...

Temporarily, because of the off-topic foray into philosophy.

We do have a thread for that. Would a more specific thread be beneficial?

If the beetle walks a straight path it must form a great circle, and will pass through its antipodes. To follow the path in wrobel's...

Granted. I may be talking out my butt. I am not sure how those are both true. In order for the beetle to walk path p that is not a...

Vertical flashes are restricted by altitude (~10 miles). Horizontal flashes have been recorded as long as a whopping 515 miles.

Why do you say "radius b"? b is equal to R - the radius of the sphere. The beetle can't make to sphere spin any way except on a plane...

It is not obliged to rotate about a fixed axis, but it does, because there is no lateral forces involved. It becomes irrelevant that...

The "Span Soup" Chronicles: Trying to save a long, locked up Gemini chat User: on mobile, save html just as rendered with no JS or "BS"...

Text: 1) Let's solve a physics problem. There is a block hung on a string. A bullet shoots straight through the block and loses half of...

Now that I'm playing around with this cool toy, I'm finding other story points to explore: What would baseball look like? Pitcher...

That's very cool. I like the effect. I'm concerned about the "muzzle velocity". 20m/s is 45mph. My "research" suggests that 20mph is...

I've checked the above in Maxima, and I calculate the loop is about 10m high and 60-ish cm wide. That matches the aspect ratio of the...

1250m radius cylinder 0.5g surface gravity 0 altitude (i.e., on the rim of the cylinder) 10m/s fountain velocity 94.8° angle (my 100°...