DaveC426913's latest activity
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DaveC426913 replied to the thread Any plausible non chemical rocket based space launch system on Earth?.This is only true for early attempts. Spaceports get established wherever the conditions are best for the mission. If the future... -
DaveC426913 replied to the thread Measuring Deer Antler Volume.It does! I implicitly accepted the OP's assumption that actual displacement volume was the gold standard. But why? A given set of... -
DaveC426913 replied to the thread Collection of Lame Jokes.I don't get it. I assume chocolate sheikh is a pun for something? Oh. Shake? -
DaveC426913 replied to the thread Kitten raising advice.So, she came back from getting snipped. She has been on three days of painkillers. They also trimmed her claws. She's stuck in a onesie... -
DaveC426913 replied to the thread Undergrad Is energy really conserved?.If anyone wishes to examine the mechanism without waiting for the OP to demonstrate or diagram it, they have offered a simple... -
DaveC426913 reacted to phinds's post in the thread High School Where does the figure for a proton's rest mass come from? with
Like.
No, it's a NUMBER. Are you not familiar with exponential notation? Without units it is, as Dave said, just a number. When you add the... -
DaveC426913 replied to the thread High School Where does the figure for a proton's rest mass come from?.It is a notation. Specifically, scientific notation - a way of conveniently representing large and small numbers. 2x103 is the same as... -
DaveC426913 reacted to recniabsal's post in the thread High School Where does the figure for a proton's rest mass come from? with
Skeptical.
It is a calculation. See that multiplication symbol in-between? -
DaveC426913 reacted to Baluncore's post in the thread Measuring Deer Antler Volume with
Informative.
Since the wire is rigid, it can push down or pull up, and the scales using a load-cell, can read and display ±weight, as required by... -
DaveC426913 replied to the thread Measuring Deer Antler Volume.If they sink, they don't need to be held down, but it also means you have a to use a different technique to weigh the antlers. -
DaveC426913 replied to the thread Measuring Deer Antler Volume.If antlers float. What if they don't? -
DaveC426913 replied to the thread High School Where does the figure for a proton's rest mass come from?.1.672,621,71x 10-27 is not a calculation; it is just a (very small) number. 1.672,621,71x 10-27kg is the mass of a proton. Do you mean... -
DaveC426913 replied to the thread Measuring Deer Antler Volume.Pending erobz's responses to some of my questions, I think 300kg is conservative, depending on scope-of-use. If this were to hope to... -
DaveC426913 replied to the thread Measuring Deer Antler Volume.Except that you're trying to read off grams from a scale that is designed to measure tonnes (that's how big it would have to be to hold... -
DaveC426913 replied to the thread Fresh 42.Indeed, it appears to have vanished.
