Sorry if what I wrote was confusing... after the breaking motion the magnets are removed entirely and the north end of the needle then points south, and south north. At least until I repeat the experiment.
Awhile back I had been messing around with batteries, copper wiring, compasses and small neodymium magnets; during this time I figured out how to flip the polarity of a compass needle. The most reliable way was to hold the two magnets above the compass needle and force, as best I could, the two...
What stops it from being possible?
Edit: I mean, I would assume it's the limit of the system being finite, and time restrictions. Would increasing the system to a (insert degree of hugeness required) change anything? Or just allowing the system to be considered limitless?
I understand how in a situation where you get the usual entropy at a high energy, and the molecules sort of "peak" in their form or melt or destabilize further into a gas. Where I'm confused is on the loss of energy and S reaching equilibrium for the system... if that system is aided in cooling...
I was thinking along the lines of these quotes combined. The can not melting due to the liquid inside not allowing it. Like the plastic bottle not melting on account of the water cooling it too much. So the can probably did clog up the leaks, then the liquid inside kept the aluminum in tact...
Hadn't thought of the clogging factor. What I always wondered was why, especially in the heat, the aluminum didn't just give out quickly. I imagine the pressure building inside and expanding applies for the most part equal force on all parts of the can. Which is why they tended to either rupture...
Myself and a few friends, back when we were around 12-13 years old, had built a modest fire. Longish story shortish... a diet coke can was the only thing to explode (we weren't dumb enough to try things that were clearly explosive). However the can exploded about thirty minutes after we placed...
I'm really curious as to what problems would be fundamental to solve when trying to make an efficient projectile fit for speeds produced by a electromagnetic railgun. Firing something that fast into the atmosphere has to be problematic and I'm sure the solution to making the most accurate and...
I'm not really interested in this sort of topic. Sorry.
A vortex, or vortices, can increase or decrease drag. It's a spinning streamline flow... depends where you're at and how you're utilizing the flow. Though I think this is more a case for gases than fluids. Gases being much quicker and...
H2bro, Those are both "Tall orders" on my part, as I'm still trying to convince myself and understand their dynamics. Also been busy lately. I'll try and think of a way to explain my thinking on your questions, but can't promise anything.
Except for the pushing off the wall. In this case you're...
The thing with vortices and the human physical form is that we aren't really aquatically dynamic in our shape. An obvious example being a freestyle swim and how quickly the vortices "crumble" due to our various other movements in the water. Like how a smoke ring does fine on its own until the...
The amount of force applied kicking down, generating the vortex, distances itself from you while losing energy in its interaction with the rest of the water as it pushes against you, and you against it. In other words, the longer you take to kick up or push against the remainder of that force...
The way I understand/visualize it is in how you're generating a sort of vortex similar to a fish underwater. When generating that vortex it flows in a direction with a rotating force that pushes against the fin (or feet for a person) and then the fin pushes back against the original force...