Recent comments in /f/askscience
[deleted] t1_j74ateh wrote
[deleted] t1_j748y7t wrote
Naive_Age_566 t1_j743eh8 wrote
Reply to comment by eglue in extremely long stick additional questions? by Unnombrepls
the ability to transfer electricity has nothing to do with the speed, with which a pressure wave is transmitted. so - super conductor behaves the same as normal conductors or isolators.
and yes - if you apply more force on an object than this object can handle, it will shatter/bend/deform/vaporize/whatever.
[deleted] t1_j743crn wrote
atomfullerene t1_j742yyz wrote
Reply to comment by efh1 in Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
eh, I mean...random tiny cults aren't really a big source of funding for research teams. They do often pull scams though.
efh1 t1_j740o5u wrote
Reply to comment by atomfullerene in Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
One scary answer you are not thinking of that is documented to exist is religious belief.
https://medium.com/predict/a-ufo-cult-that-offers-alleged-human-cloning-services-b1a95874f83b
[deleted] t1_j740mc9 wrote
[deleted] t1_j73zu57 wrote
Reply to comment by paranoiamachine in How could a high-altitude surveillance balloon be captured? by aggasalk
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[deleted] t1_j73zeb6 wrote
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CompetitiveYou2034 t1_j73wyop wrote
Reply to comment by paranoiamachine in How could a high-altitude surveillance balloon be captured? by aggasalk
The balloon part must be large, to reliably stay aloft for a ten thousand mile (?) voyage, and haul say 100 lbs (?) payload.
We only care about the spy payload, which might be quite small.
Very sure the US Air Force is closely examining this, and has a sense of it's actual size.
[deleted] t1_j73wvnm wrote
Reply to comment by radioactive_dude in A medical isotope made from nuclear weapons waste (Tc-99m) has a six-hour half-life. How do hospitals keep it in stock? by Gwaiian
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aggasalk OP t1_j73t0nl wrote
Reply to comment by CompetitiveYou2034 in How could a high-altitude surveillance balloon be captured? by aggasalk
probably just radio signals through satellites, which you'd think would be used whatever the purpose (military, scientific)
Smedleycoyote t1_j73s3zu wrote
Reply to Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
Olympic horse show jumper Gem Twist was cloned after he retired from competition. Since he was gelded, he was not able to be bred, so he was cloned after his retirement. The clone, Gemini Twist, has never competed, but has been a part of a breeding program for years.
[deleted] t1_j73rt7c wrote
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atomfullerene t1_j73rqap wrote
Reply to comment by efh1 in Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
It's not entirely clear to me what benefit there would be to a research team in covertly cloning a human. You obviously can't publish on it, which is the lifeblood of academic researchers. There's no obvious practical benefit to a for profit corporation, unless you want to, like, sell cloning services to rich people...in which case you have to advertise that you can do it. And it's not super clear why most governments would be interested in it.
It's certainly not impossible (especially for groups in the early stages who want to stay quiet until they have success), and after all it's a big world full of all sorts of people who try all sorts of things. I wouldn't be shocked. But I don't in general see a big motivation for people trying to covertly clone people. And generally speaking, people need motivation to spend a lot of money.
UpintheExosphere t1_j73r5kp wrote
Reply to comment by CompetitiveYou2034 in How could a high-altitude surveillance balloon be captured? by aggasalk
Actually, some stratospheric research balloons do just store info and then are recovered after they descend. It really just depends on the balloon. They may not be able to transmit very far and signal is lost after a certain point, or maybe the data is too large for the amount of bandwidth, etc.
CompetitiveYou2034 t1_j73ois3 wrote
Puncture the balloon, let it descend slowly, capture it via a plane trailing extended hooks.
Recap: a historical feat of pilot derring do!
Before we had high speed digital communication with our spy satellites, before we had digital cameras with megapixel lenses ....
1960s - 1980s, US spy satellites took high resolution pictures on actual film.
When a film canister was complete, or had time urgent info, it was ejected under a parachute.
A specially modified plane was waiting, that trailed a long wire with a v-shape, or hooks, which snagged the parachute canopy.
The plane reeled in the wire. Picked up the canister, and flew to have the film processed.
Example: KH-8 Gambit 3 satellite.
Same thing can be done with Chinese spy balloon.
The Chinese payload is a bigger than a film canister, but the capture plane can still fly it's payload for a soft-ish landing, dropped from say 50 feet onto a fireman's jumper rescue inflated balloon.
Seems very fitting, capture a payload from a balloon, drop it onto another balloon.
thismightbsatire t1_j73npxe wrote
Reply to comment by happyhourscience in Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
How does the completion of the human genome project affect our ability to clone DNA?
paroxybob t1_j73nity wrote
Reply to comment by jqbr in A medical isotope made from nuclear weapons waste (Tc-99m) has a six-hour half-life. How do hospitals keep it in stock? by Gwaiian
Not have the medical imaging done seems more risky health wise then some radiation.
thismightbsatire t1_j73nchp wrote
Reply to Back in the late 90s, I remember hearing that scientists “cloned a sheep”. What actually happened with the cloning, and what advancements have been made as a result of that? by foxmag86
On March 31, 2022, the Telomere-to-Telomere (T2T) consortium announced that they it had filled in the remaining gaps and produced the first truly complete human genome sequence.
I also recommend looking up epigenetic research and the studies on gene expression. It's extremely interesting.
CompetitiveYou2034 t1_j73mstz wrote
Important question regarding the Chinese spy balloon.
How does it report back info?
Surely it was not planned to store the info, and then continue round the world, or return flight over the Arctic or the Pacific Ocean!
We should physically capture it to determine it's communication method(s), encryption, etc.
If this was truly quote a civilian meteorological platform that went off course, the Chinese can have no complaint to our examining it.
baseketball t1_j73lswd wrote
Reply to comment by edwwsw in A medical isotope made from nuclear weapons waste (Tc-99m) has a six-hour half-life. How do hospitals keep it in stock? by Gwaiian
I wish they would talk more about potential jobs for different areas of college studies. I always thought for nuclear physics you just work at some power plant.
[deleted] OP t1_j74axjv wrote
Reply to Are plants growing from cuttings as healthy as those grown from seed? by [deleted]
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