Shortages expected as McMaster becomes the world’s only supplier of medical isotope used to treat prostate cancer thestar.com/news/gta/2019…
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πŸ‘€︎ u/adlerchen
πŸ“…︎ Jan 02 2020
🚨︎ report
Shortages expected as McMaster becomes the world’s only supplier of medical isotope used to treat prostate cancer thestar.com/news/gta/2019…
πŸ‘︎ 2k
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πŸ‘€︎ u/throw0101a
πŸ“…︎ Dec 30 2019
🚨︎ report
Did you know that you (specifically) are made out of Uranium, Argon and Holmium?
πŸ‘︎ 3
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πŸ‘€︎ u/R0UGEofV01D
πŸ“…︎ Aug 31 2017
🚨︎ report
A team of researchers has compiled the first and only evidence that narwhals and beluga whales can breed successfully. DNA and stable isotope analysis of an anomalous skull from the Natural History Museum of Denmark has allowed researchers to confirm the existence of a narwhal-beluga hybrid.
πŸ‘︎ 6k
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πŸ‘€︎ u/FillsYourNiche
πŸ“…︎ Jun 23 2019
🚨︎ report
TIL nuclear weapons testing artificially altered the proportion of the carbon isotopes in the atmosphere, making radiocarbon dating after 1945 likely to be unreliable. en.wikipedia.org/wiki/Bef…
πŸ‘︎ 505
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πŸ‘€︎ u/jowig
πŸ“…︎ Jan 04 2020
🚨︎ report
Rocks aged 3.24 billion years reveal the Earth may have had absolutely no surface land at at least one point in its early history. The rock samples contain oxygen isotopes consistent with an entirely oceanic environment, suggesting that Earth was once composed of one giant, globe-spanning ocean. inverse.com/science/3-bil…
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πŸ‘€︎ u/MistWeaver80
πŸ“…︎ Mar 04 2020
🚨︎ report
By measuring iron isotopes, researchers from the University of Copenhagen have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the likelihood of water and life elsewhere in the universe. news.ku.dk/all_news/2020/…
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πŸ‘€︎ u/TX908
πŸ“…︎ Feb 20 2020
🚨︎ report
No star, no problem: Radioactivity could make otherwise frozen planets habitable | Warming a planet enough to liquify water requires roughly 1000 times Earth’s abundance of both types of radioactive isotopes, Lingman and Loeb report in The Astrophysical Journal Letters sciencemag.org/news/2020/…
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πŸ‘€︎ u/mepper
πŸ“…︎ Apr 05 2020
🚨︎ report
Ellen Gleditsch was a Norwegian radiochemist and Norway's second female professor. Starting her career as an assistant to Marie Curie, she became a pioneer in radiochemistry, establishing the half-life of radium and helping demonstrate the existence of isotopes.
πŸ‘︎ 708
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πŸ‘€︎ u/MistWeaver80
πŸ“…︎ Dec 31 2019
🚨︎ report
TIL Carbon dating anything past the 1950's is likely to be unreliable because of the nuclear weapons testing artificially altering the proportion of carbon isotopes in the atmosphere en.wikipedia.org/wiki/Bef…
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πŸ‘€︎ u/Cryo_Hound
πŸ“…︎ Oct 22 2019
🚨︎ report
[self] I’m pretty psyched. I just ordered some tritium to make the top of my staff glow. For those of you who don’t know. Tritium is an isotope that keeps glowing for 10 to 15 years without any power source. It’s completely luminescent!!! Can’t wait to show you updated pictures!!!
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πŸ“…︎ Apr 17 2020
🚨︎ report
Scientist Jacques Vallee analysis of UFO metamaterials: β€œEngineered purposely by somebody or something, either on Earth or off with ability to separate isotopes and recombine them in different ratios...but we couldn’t do that today... these are not natural ratios on Earth or the solar system.” youtu.be/CnPHt7zfd0I
πŸ‘︎ 189
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πŸ‘€︎ u/Crackerjack-Karma
πŸ“…︎ Nov 07 2019
🚨︎ report
Isotopes Square. *I'm hoping to buy some of the "Cheering Crowd" and "Rude Crowd" decorations next time they appear to fill the spectator sections
πŸ‘︎ 53
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πŸ‘€︎ u/Apart-Restaurant
πŸ“…︎ Mar 20 2020
🚨︎ report
TIL that Astatine is the rarest naturally occurring element in the Earth's crust; its most stable isotope has a half-life of only 8 hours. en.wikipedia.org/wiki/Ast…
πŸ‘︎ 57
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πŸ‘€︎ u/TwoTheVictor
πŸ“…︎ Feb 21 2020
🚨︎ report
Australia has a huge shortage of the medical isotope needed for scans newscientist.com/article/…
πŸ‘︎ 39
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πŸ‘€︎ u/Ardeet
πŸ“…︎ Sep 22 2019
🚨︎ report
By measuring iron isotopes, researchers from the University of Copenhagen have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the likelihood of water and life elsewhere in the universe. news.ku.dk/all_news/2020/…
πŸ‘︎ 133
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πŸ‘€︎ u/TX908
πŸ“…︎ Feb 20 2020
🚨︎ report
My holmium arrived!
πŸ‘︎ 13
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πŸ‘€︎ u/brainandforce
πŸ“…︎ Feb 14 2015
🚨︎ report
It seems Bob Lazar DID state the isotope of 115.

There are a few people who have queried why Bob Lazar knows the atomic number of the spacecraft "fuel" (number of protons - 115), but never mentions the mass number (protons + neutrons). This information would be useful because the theory of an island of stability is predicated on getting the number of protons and neutrons correct - thus far, all isotopes of 115 produced are unstable.

Well, there is a diary of Joe Vaninetti (one of Bob's close friends circa 1989) online. This diary notes down information Bob appears to have offered over 8 or so months. This diary states that the atomic weight of 115 is 271.

This would put the number of neutrons at 156. This is basically as far away from the theorized magic neutron numbers of 126 and 184 as you could get. If a 115 sample is to be stable, it is assumed that the neutron shells will be closed at a neutron number of 184. Of course, humans may be way off with our theories on the island of stability...

EDIT: the clowns on r/ufos censored this post on their sub. Why would they do this?

πŸ‘︎ 44
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πŸ‘€︎ u/ricky_merchant
πŸ“…︎ Jun 29 2019
🚨︎ report
Researchers, analyzing stable isotopes and trace elements from a fast-growing stalagmite in the Han-sur-Lesse cave system, Belgium, have found clear evidence of increasingly dry conditions and anthropogenic activity over the past 4 centuries. eos.org/articles/past-sea…
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πŸ‘€︎ u/avogadros_number
πŸ“…︎ Mar 14 2020
🚨︎ report
colorized photo of abandoned transitive-borran reactor. tragic accident, always remember not to heat an ip19 isotope to 340 kelvin
πŸ‘︎ 90
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πŸ‘€︎ u/crybound
πŸ“…︎ Feb 08 2020
🚨︎ report
Do isotopes of the same element have the same emission spectrum?

For example does hydrogen and deuterium have the same electron energy levels or do they depend on neutrons too?

πŸ‘︎ 56
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πŸ‘€︎ u/Scorponok17
πŸ“…︎ Jul 31 2019
🚨︎ report
Beware of 235, they have unstable isotopes
πŸ‘︎ 271
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πŸ‘€︎ u/somewhereinside
πŸ“…︎ Feb 24 2019
🚨︎ report
Cooked a corn dog for 5 minutes last night and a minute and a half today. I present to you, the corn dog isotope of carbon
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πŸ‘€︎ u/NovaxScotia
πŸ“…︎ Jan 03 2020
🚨︎ report
TIL that bananas are slightly radioactive due to certain caesium isotopes. Therefore you should never eat more than 600 bananas per second to minimze the risk of a harmful radiation dose. mcgill.ca/oss/article/you…
πŸ‘︎ 578
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πŸ‘€︎ u/RobinsonDickinson
πŸ“…︎ Aug 30 2018
🚨︎ report
What is Thanos' favorite hydrogen isotope?

Tritium, because it has an half-life.

πŸ‘︎ 9
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πŸ‘€︎ u/The_L0ne_Warri0r
πŸ“…︎ May 01 2019
🚨︎ report
Radithor was a patent medicine that consisted of triple distilled water containing at a minimum 1 microcurie (37 kBq) each of the radium 226 and 228 isotopes. en.wikipedia.org/wiki/Rad…
πŸ‘︎ 115
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πŸ‘€︎ u/darkon
πŸ“…︎ Aug 06 2019
🚨︎ report
Scientists identify 2 late Neanderthals as being herbivore meat eaters (not fish) for one adult, and a 1 year old child whose mother was also a meat eater - by studying nitrogen isotope ratios of single amino acids in collagen (tooth for adult for 4 to 8 year period, and bone for 1 year old) pnas.org/content/early/20…
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πŸ‘€︎ u/stereomatch
πŸ“…︎ Mar 03 2019
🚨︎ report
Economic diversification supported the growth of Mongolia’s nomadic empires. New study using stable isotope analysis demonstrates the complexity of dietary economies in the Xiongnu and Mongol Empires. nature.com/articles/s4159…
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πŸ‘€︎ u/wineforbreakfast8
πŸ“…︎ Mar 04 2020
🚨︎ report
[Article] The Pb isotope evolution of Bulk Silicate Earth: Constraints from its accretion and early differentiation history
  • DOI/PMID/ISBN: 10.1016/j.gca.2019.12.021

  • [URL]https://www.sciencedirect.com/science/article/abs/pii/S0016703719307781

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πŸ‘€︎ u/JarlBear
πŸ“…︎ Mar 05 2020
🚨︎ report
Climate change may be behind fall of ancient empire, say researchers | Dramatic shift from wet to dry climate could have caused crop failure in Neo-Assyrian empire; trends were backed up by patterns in carbon isotope data, with a range of data from various caves and lakes across what was the empire theguardian.com/science/2…
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πŸ‘€︎ u/wokehedonism
πŸ“…︎ Nov 15 2019
🚨︎ report
Fukushima: Lessons learned from a case of soil decontamination. One of the cesium isotopes (137Cs) has a half-life of 30 years, it constitutes the highest risk to the local population in the long term, in the absence of decontamination it will remain in the environment for around three centuries. eurekalert.org/pub_releas…
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πŸ‘€︎ u/Wagamaga
πŸ“…︎ Dec 12 2019
🚨︎ report
TIL of tritium, a rare and radioactive isotope of hydrogen made up of 1 proton and 2 neutrons. It is mainly used in nuclear weapons and nuclear fussion. In 2000, its cost was approximately US$30,000 per gram. fire.pppl.gov/fesac_dp_ts…
πŸ‘︎ 29
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πŸ‘€︎ u/dustofoblivion123
πŸ“…︎ Jun 13 2019
🚨︎ report
Last night was Star Wars Night for our local minor league baseball team (ABQ Isotopes). My son thought he’d just march w/ the Stormtroopers for a bit but Vader made his night 1000x better (I’m not crying, you’re crying). v.redd.it/d4dbd4fqyy131
πŸ‘︎ 27k
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πŸ‘€︎ u/coffeetilithirts
πŸ“…︎ Jun 02 2019
🚨︎ report
Geochemist Minoru Ozima of the Tokyo University discovered that the nitrogen-14/nitrogen-15 isotope ratio in the Apollo lunar samples is very different from that in the solar wind whose blasts drilled these atoms into the lunar soil. The explanation is simpleβ€”the Apollo's soil was made on earth.

So the explanation for the earthly nitrogen in the Apollo lunar samples now given by scientists is that the nitrogen was blown off the earth by solar winds -before the earth's magnetic field was established. not that the lunar dust was manufactured on Earth.

πŸ‘︎ 6
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πŸ‘€︎ u/hitmeifyoudare
πŸ“…︎ Jan 06 2020
🚨︎ report
Holmium laser rods glowing [1083 Γ— 726] [OC]
πŸ‘︎ 41
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πŸ‘€︎ u/JP-Seven
πŸ“…︎ Dec 27 2015
🚨︎ report
Why is Nuclear Decay a probabilistic event? Are there any environmental influences that can affect the half life of an isotope or is it an intrinsic property?
πŸ‘︎ 6
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πŸ‘€︎ u/Pokiwar
πŸ“…︎ Apr 20 2019
🚨︎ report
radioactive isotopes of hydrogen make it spicy
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πŸ‘€︎ u/jellybeantetra
πŸ“…︎ Apr 15 2020
🚨︎ report
SHINE Moves Closer to Domestic Production of Life-Saving Medical Isotopes finance.yahoo.com/news/sh…
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πŸ‘€︎ u/moly99
πŸ“…︎ Jun 19 2019
🚨︎ report
Abundancy of isotope greater than 100%?

I am having trouble answering this question and would like some guidance:

Germanium has 5 common isotopes, a sample contains the following:

70Ge (57.4%),Β 72Ge (75.9%),Β 73Ge (21.3%),Β 74Ge (100%),Β 76Ge (21.0%) What is the average atomic mass of the sample?

I just multiplied 70x(0.574) + 72x(0.759) etc. since that is what you normally do. But since the percentages add up to a number higher than 100, should I do anything different? I ended up with 200.39 amu

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πŸ‘€︎ u/MajesticRisk
πŸ“…︎ Mar 30 2020
🚨︎ report
How does the radioactive isotope of potassium-40 decays to calcium-40?

i thought that usually in this type of process the mass number changes. how can it stay 40?

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πŸ‘€︎ u/Scampupa
πŸ“…︎ Sep 24 2019
🚨︎ report

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