I believe that this was in response to my inquiry. Thank you, Marcus for your kind reply and for everything you do for this community.
Again, I am not a physicist. I am merely attempting to resolve a logical conflict in my own mind. Briefly, I agree that a richer understanding of expansion...
I have a very brief layman's question. Thank you everyone for the lively discussion that is mostly over my head.
Q) Based on red-shift, do we know/speculate/theorize that the acceleration of the universe is increasing or decreasing?
There are more technical ways to ask this question. Note...
Preface: I am not a physicist, but I do tend to accept the theories of an expanding and accelerating universe. I am not inquiring to dispute these ideas, but it recently occurred to me that there is an obvious fallacy in the arguments for these ideas as presented in the popular media. I wish to...
I haven't heard much on this topic, really, so I'm not basing my inquiry on any preconceived notions about which is better or worse. I am merely trying to understand a physical concept. Clearly, if you shove a given volume of fluid through a smaller hole, the jet generated is going to move...
Hi Wolf!, I'm a nurse, too. From reading this thread, I think I understand the answer. Think of it this way: Imagine a really long tube extending vertically that contains an entire liter of fluid. Now, imagine a shorter tube (same diameter) extending vertically that contains only 100mL of...
Hello, and thank you kindly for considering my question.
Background: Medical needles come in gauges such that a smaller gauge represents a larger needle.
Scenario: Doctor Jack says "18 gauge needles are best for this procedure", but Doctor Jane says "27 gauge needles are best because...
"Relativistic Mass" thought exercise with approaching bodies
I understand that the concept of 'relativistic mass' is somewhat controversial, but for reasons that are unclear to me. Nevertheless, I humbly pose the following thought exercise/inquiry:
For starters, I understand the formula for...