Science Magazine Where does the periodic table end?

Read more: https://scim.ag/2WArizx


Credits

producer/editor
Meagan Cantwell

supervising producers
Sarah Crespi
Lila Guterman

story by
Sam Kean

photos and video
Archive.org
Kyodo
Luca Florio
Max Aguilera Hellweg
U.S. Department of Energy
Videoblocks

illustrations and models
Chris Bickel
Nirja Desai

music
"Always There"
Nguyên Khôi Nguyên

"Printing Data"
"Purell"
Chris Burns

1. typograf62: It is a test. And I think that I just flunked. I cannot concentrate in a noisy environment. So last century for me.
2. Michael Jordan: +Vivi mannequin wow you're fun 😶
3. FriedrichHerschel: Wash your ears. He says "scientists", not "so I just".
4. max factor: they should make a condition for new element. bring 100 grams of it
5. I. K.: This one is much more informative youtube.com/watch?v=UTOp_2ZVZmM
6. harry grootmans: The answer is the edge globeheads
7. Faceofthesun: It ends in a black hole.
8. Vivi mannequin: I had a dreams the other night and in the dream were undiscovered elements and one in particular (forgot what it was called but was underneath copernicium) was actually a plasma at room temperature
9. 7lllll: they'll probably make some exotic elements using femtotechnology, where you have some non-standard nucleons that involve quarks other than up and down, or have antimatter mixed in without ever touching matter, or have multiple nuclei within a single atom, or something like that
10. neophytical: I love that Science is trying to reach out via podcasts and vlogs, it'll be exciting to see the traction they gain once the production value goes up.
11. Captain Matticus: Thanks, Wikipedia
12. Chrysippus: >There was a producer/editor and two supervising producers. I mean maybe they really like music. Or deaf. JaysTwoCents editor is colorblind and his color balance is great.
13. Tomasz I. Radoszewski: +Roxanne * That is somewhat correct. In science, a theory is never proven, it just has never been disproven. There are no certainties in science. The theory of general relativity is not 100% correct, it's just highly likely (99.9%) to be correct.
14. Peter Riis: +Roxanne * Is it a theory or is it a theory... LOL No theory has been proven - that's why it's called a theory, see.
15. Marc Barrett: Yes, the music is really really annoying.
16. Em: "congratulations sir, you created a new element"
17. RussianLearnsYou: Can you make gold this way?
18. Nano Tenko: +akrinah uh it'd be since the discovery of uranium so yh it'd be hype af, gets me kinda flustered thinking about it
19. Y Qisq: Sound mixing of this channel is always substandard.
20. Ivan Pascuttini: Yes, but it is incredibly ineffective
21. Brandein Guerrero: Technically the periodic table doesn’t have a beginning or an end, it’s just a tool of measurement used to describe classified elements.
22. Sunny shah: +Nano Tenko wow, it's even crazier than i imagine. thanks for that explanation
23. Pocket Hand Cannon: Terrible music! Great info!
24. b clark: The sound mixing in this video is terrible.
25. Goya Solidar: It ends with Unobtainium.
26. Bryan Bennett: Science magazine? Umm ok if you say so.
27. Legik Wolf: No because they are unstable because of the fact that the nucleus is too large that it cannot be stable. If the atom did have a stable nucleus then it would be a different element.
28. Nano Tenko: ​+Sunny shah Well at that microscopic level it's actually electrons that we are using for imaging rather than light. Electron microscopy works (in a really simplified way) by measuring the likelyhood that an electron teleports from the object you're scanning to the censor, and completing the electric field. This is a quantum effect, but what is important is that the likely hood of the tunneling (ie the teleport) is greater, the smaller the distance, so hence why we get pictures of small cells with depth to them. However, what you can't to do with this is image the nucleus. You can just about image individual atoms, IBM released a video of "the smallest man" which was like a little stick figure made up of atoms a few years ago. Electrons themselves, well they can technically be anywhere around the nucleus, but depending on which electron shell they're in and what other atoms are bonded, we give them an electron orbital which is shows where the electron is most of the time. They're also small enough that they have significant, observable wave properties, so that also complicate things.
29. TaxPayingContributor: Thanking Mendelev for beginning the catagorizing.
30. Unpronouncable: First sentence of the video. "So I just created the first artificial elment during WWII..." assuming this guy is a genious who made his PHD when he was 10 and created artificial element at the tail end of WWII in 1945 right after that then that guy looks very good for a 81+ yo (I also assume from video quality that it was recorded in past 3 years. That might be wrong)
31. Buddy Clem: That was really interesting!
32. FriedrichHerschel: Di-Lithium? Li_2?
33. Andre Oka: there are mosquito noises in the video.
34. The Eclectic Dyslexic: My guess? They didn't actually watch, they just wanted their names in the credits.
35. akrinah: +Nano Tenko Then I can look forward for a sensation when that succeeds. A new row in the PSE will be the greatest sensation since, I don't know, the first synthetic element?
36. Bryan Springborn: What two atoms can we ram into another to get gold or other more valuable elements?
37. Michael Jordan: What about vibranium and adamantium? When will those be added
38. The268170: My favorite element is the element... ...of... SURPRISE!!
39. Unpronouncable: +FriedrichHerschel is this the "baby I'm at your command" "baby I'm a joker man" situation?
40. Fester Blats: Drop the fucking music.
41. Rocío Aguilera: There are 92 natural elements. Uranium being number 92. For artificial elements, gazillions is the limit I've read many comments about the loud music. In this video music is barely audible. Perhaps they fixed it
42. LORDE 2729: tony stark made badassium . make that!! taht should be a like a name for serious!! also vibranium
43. Vivi mannequin: Michael Jordan those aren't real metals (or even elements)
44. Dave Lordy: Please make the music louder, I could almost hear the voice in places.
45. Peter Riis: What about Feynmanns theory?
46. Sunny shah: +Nano Tenko Hi, i am not a chemist or physicist, i'm just a common guy who is a little curious, but i have one question that i can't find a reasonable answer to. Why have we not been able to get a picture of the atom, and electrons whizzing around the nucleus? and Is electricity movement or charge, or movement of electrons?
47. ¿o?: I love that we call them elements, as if they are somehow the basis of something yet sticking more of them together results in additional elements. This doesn't seem very elemental. Particles should be called elements, and elements should be called particles because they're parts made up of elements.
48. Fabrício Machado: It is possible to stabilize elements to get their half-life stay longer?
49. Vivi mannequin: Michael Jordan thanks. I get that a lot
50. Joseph Bargo: I think when he says artificial elements he means synthesis of elements that do not occur naturally (95 up).
51. ballom29: Oganesson (element 118) had an estimated cost per gram in the order of the quadrillion dollars. Good luck bringing 100g of it. The heaviest element we got to macroscopic quantities was Einsteinium. (element 99 )
52. NoJusticeNoPeace: They're never going to stop... until they create strange matter which transmutes and destroys the entire galaxy in a runaway ice-9 reaction.
53. Carl Broderick: ok great topic. but you played background music over the guy's voice so it cued the listener to stop listening.
54. viscountalpha: This is all based on the supposition that our world is static. What if, even on a molecular level, things are much more fluid.
55. Alien: Awesome, I have to admit, I do have a thing for the Periodic Table and I'm always keen to read about the discoveries of new Elements. Thanks.
56. GroovingPict: hey Sam, we're over here, why the fuck are you looking off to the side
57. João Vítor Costa: the bg music was to loud and was drowning the main voice
58. Peter Riis: +Roxanne * If you say so. ;)
59. Reginaldesq: It ends periodically :)
60. NikolausUndRupprecht: Sorry, but the background music is awful. 😖 It would be so much better without any music.
61. movax20h: 0:00 Already first mistake. First artificial isotopes were created before WWII. P-30 was synthesized in 1933 by Irene and Frederic Joliot-Curie, by using Alpha radiation (from Polonium decay) to irradiate Aluminium 27. Resulting P-30 had half life of only 2.5 minutes (So it doesn't occur naturally). Subsequently Cyclotrons were used too in 30s to do the same with higher energies and more heavy ions and for other basic research in nuclear physics. Especially the on in Lawrence Berkeley National Laboratory, was eventually disassembled in 1937, and some parts of the cyclotron itself that were initally made of Molybdenium were analyzed, and two isotopes of Technetium were found in it. Technetium doesn't occur on Earth in nature, because all its known isotopes are unstable and radioactive (however there are few that do have few million years of half life). Discovery (isolation and confirmation of a new element) of Technetium was done in the same year (1937) by Carlo Perrier and Emilio Segrè in Sicily/Italy, where they analyzed the molybdenum foils from the cyclotron in California. So, that would be 2 years before WWII, and few years before first nuclear chain reactions. In fact the first nuclids of technetium would be in this molybdenum foils many months or years earlier, as the cyclotron started operating. Some sources say it was in 1936 for being synthesized, and 1937 for isolation and discovery. Later it was discovered that Technetium does exist in extremely small quantities on Earth and in some stars. On Earth in 1962, it was discovered in minute quantities (less than nanogram per kilogram of ore), in DRC, where it is being "artificially" created by spontaneous fission of Uranium. Americum (element 95), synthesized in 1944 (only reported publicly years later), does exist in Uranium ores in trace quantities. Also Curium (element 96) was first synthesized in 1944, but trace quantities exist in Uranium ores. Similarly plutonium, it does exist but less than 1 kg in entire Earth crust at any given time. Francium, Berkelium and Californium also do or did exist naturally on Earth in minute quantities, in places like natural nuclear reactors, but were first discovered as artificial only, in reactors or when analyzing radioactive debris of atomic tests (including first hydrogen bomb). 0:20 - Not that is not the only method. There are many methods. What you are presenting is the methods most popular with current research of super heavy elements.
62. Thor Jørgensen: Actually, his voice got quieter and quieter. There are times where his voice gets tad louder again but only to get quieter again. For example here 2:44 prior to that he was quieter, but after that, the volume seems to get stuck at that low volume.
63. Roxanne *: +Tomasz I. Radoszewski That's a much better way to put it. Well said
64. movax20h: +Tastaturensohn the problem is that he doesn't state which one is supposedly first one .
65. Roxanne *: +Peter Riis in science the term "theory" can also mean something that has been once theorized and proven over time, becoming generally considered to be true (I doubt you haven't heard of this, but just to make it clear why I was confused). One example is The theory of general relativity, just like I stated before
66. Aaron Sherman: The sound mixing in this video is not great. The music occasionally (like around 3:05) rises up to the point that it's hard to hear what he's saying.... and there's no real clear reason that music is even needed in the first place.
67. Tastaturensohn: Mhmm I don't know about your first criticism. He specifically said "the first artificial ELEMENT" not isotope.
68. cikif: Poor man at 3:28, inhaling all that mercury vapor. Probably he's not living anymore :(
69. Frank Drebbin: You left out Dilithium !!!!!
70. William Taylor: I kept hearing this vision, you take the cyclotron behind Pluto around Jupiter and accelerate it towards the sun, this makes the protons heavier, as it declenates into the sun, you turn thorium into bi-thorate. It's very radioactive, one atom will kill everyone on Earth. I caught this Omega particle joking with the earth, now I already knew hyperdimensional chloride, but this fucker was solid fucking Tesla coil mean, I had to physically teleport.
71. Feynstein 100: So we've got to build bigger particle accelerators. Got it :)
72. Mohnish Meshram: Great !!!!
73. Mads Horn: Metallic mercury is not acutely toxic and the vapour pressure is quite low. Remember that barometers with open mercury surfaces hang in a lot of homes last century :-) Metallic mercury should be avoided as it build up in the body and have a half life of months. High levels of mercury interfere with the nervous system and have given rise to the expression "mad as a hatter" due to hat makers using mercury to put a nice shine to top hats. But it takes an absolutely massive exposure of metallic mercury to actually kill you. The problems arises when mercury ends up in a lake sediment and is combined with other elements by bacteria. Some of these organic compounds are insanely toxic. We are talking parts pr billion here. A single drop of a solution on your hand will kill you in weeks in a horrible way. So give your old thermometers to relevant authorities lest the mercury ends up in the environment, but don't panic if you see spilled quick silver. Just collect it with stiff paper without touching it and depose of it safely :-) Edit: For a horror story of organic mercury watch this (not for the queasy) https://youtu.be/NJ7M01jV058
74. Meir Zeilig-Hess: Excellent content and brilliant speaker, but the background music is distracting to the point that it is even hard to understand what the speaker says. If it's possible to switch off the music, that would be great.
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Where does the periodic table end?
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Science & Technology	Upload TimePublished on 1 Feb 2019