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Did you know that we are 99.9999999% empty space? If you imagine an atom the size of a football stadium, the nucleus would be the size of a pea in the center of the field, and the electrons would be tiny dots flitting about somewhere in the stands. Everything else is absolute emptiness. At least if you think about it in terms of our macrocosm. Ultimately, all the matter in your body, if you removed all the empty space, would fit inside a grain of sugar.

Today's episode is about nuclear physics and how matter works at the most fundamental level. With nuclear physicist Evgeny Shirokov, we discussed the differences between a nuclear explosion and what happens at a nuclear power plant.

And is it true that bananas are radioactive? How can you tell the age of mummies by their atoms? Why do astronauts see flashes even with their eyes closed—what are the particles flying into their retinas? And most importantly: what's happening in Fukushima right now, and where can you store nuclear waste for 100,000 years?

Views!

0:00 - Banana Radioactivity
0:53 - Support Us with a Like
1:02 - First Detection of Particles
5:11 - "Watermelon Model"
6:51 - "Abuse of Matter" and the Discovery of Radioactivity
9:20 - "A Window in a Dark Room"
11:57 - The Beginning of the Nuclear Age
12:30 - "The End of the Periodic Table"
16:23 - How Does an Atom Work? Model of the Nucleus and the Atom
21:46 - 99% Empty
22:46 - Nuclear Explosion vs. Nuclear Power Plant
30:09 - China Syndrome
30:56 - Why Every Country Doesn't Have a Nuclear Bomb
33:55 - Space Race vs. Nuclear Race
37:28 - Atomic Particles in the Eyes of Astronauts Radiation in Space
42:57 - Record Neutrino
47:08 - Neutrino Telescopes
48:36 - Neutrino Rap
49:45 - What Happened in Space to Create a Record Neutrino
52:53 - What Dark Matter Is Made of
54:27 - The Structure of Molecules and Their Compounds
1:00:07 - Visualization of Molecular Compounds
1:02:46 - The Smallest Visible Object
1:05:31 - Particle Scaling
1:10:52 - Maximum Energy on Earth
1:12:20 - Nuclear Waste
1:17:38 - The Problem of Nuclear Waste Disaster Responders
1:19:54 - How Long Does It Take for Nuclear Waste to Become Safe?
1:20:29 - The Dire Consequences of Fukushima
1:23:25 - Nuclear Icebreaker
1:26:22 - Radioactivity of Objects Past
1:32:14 - "We Have Two Isotopes" and the Radioactivity of Bananas
1:33:37 - Radioactivity During Air Travel
1:35:52 - Atmospheric Nuclear Tests
1:37:55 - Vivid Solar Events
1:39:52 - Solar Strike on Earth
1:42:33 - Thanks for watching!

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#basis #atom #energy #science