Wouldn’t grow something from the inside require a very strong force to “move” the already present one? Instead growing from the last “layer” towards the outside would require a lot less force, but perhaps a lot more matter....
Could we, in theory, use something like CRISPR to give a new baby replacement super-kidneys (or whatever organ it is that makes drinking saltwater be a bad time)? It seems like if we cracked that, we’d be set as a species....
I picked up a low pressure sodium lamp and am working on a Halloween demonstration. I’m hoping to make a display that appears one way under normal light, but looks totally different under the monochromatic 589nm sodium vapor light....
… or do they just make up for it with sheer unrelieved quantity of greenery, perhaps?
Does anyone have a list of long-term effects that may arise from periods of severe dehydration in childhood, particularly how this might affect overall health in adulthood?
“Stronger” hearts typically have a resting pump rate lower than that of weaker or less healthy ones. A healthy, athletic male might have a resting BPM of 60, while an otherwise healthy but post-partem female could be closer to 90....
Seems like it should and the result should be one. Does mathematics agree with me on that?
As in, are there some parts of physics that aren’t as clear-cut as they usually are? If so, what are they?
I know it can be a hot topic. I have long wondered what the real isolation timelines were for East Asia, India, Africa, and Europe. I’m most curious about the first two as they seem so divergent. Like a group had to be mobile enough to relocate, but then stay within a region for a (?) long time with little influx....
I mean, why evolution selected dinosaurs to become that huge?
I understand how lucky imaging gets the results it gets, but I’m wondering specifically how the 10% of frames are chosen....
More of a classification question, but I’m really curious about what the metric would look like if we try to be systematic about it....
Just a thought, if an event happened well beyond the observable universe that caused entire galaxies to be destroyed radiating from a point source event, what would it look like from our perspective and how close could it get on our observable horizon while still being unable to reach us due to expansion of the universe?...
Think “you wake up in the woods naked,” Dr. Stone-style tech reset. How could humans acquire a 1-gram weight, a centimeter ruler, an HH:MM:SS timekeeping device, etc. starting with natural resources?...
I am seeking a scientific explanation behind this phenomenon which is unprecedented to me....
I was dealing with a problem which stated that two objects were moving with same velocity v and one was a car with mass m and another a truck with mass M, such that M > m. They collided and came to a halt. Their collision lasted for 1 second. Which experienced a greater force of impact?...
It is said that ACs are counterproductive in fight against global warming, in that while they may make the local environment temporarily livable, the greenhouse gases produced while making the electricity needed to operate them heat up the rest of the Earth by much more than the relief from the AC itself. By how much exactly is...
I let people rate how much they like different things on a scale of 1-10. How do I actually tell if people like one thing more than another thing if the sample sizes are different? This is not about any real scientific study, more like a personal test :)...
Feels like a shower thought, but I seriously want to know if there are any implications, because it seems like identical twins are able to sense, understand, and almost be extensions of each other - finish each other’s sentences/thoughts. Some even claim to be able to sense their twin when they’re separate. Hard to believe,...
I am talking about gadgets we see in science fiction movies that obey the laws of physics of our universe and could theoretically be constructed, barring the limitations of materials, energy and time faced by our civilization at the moment.
Does anyone know where I could find a reasonably priced photon pair generator online?