13 June 2019: Mighty magnets, and aerosols in the atmosphere
Nature Podcast
podcast@nature.com
4.5 • 893 Ratings
🗓️ 12 June 2019
⏱️ 24 minutes
🧾️ Download transcript
Summary
This week, a record-breaking magnetic field, and aerosols’ potential effects on the atmosphere.
In this episode:
00:45 Making massive magnets
Researchers have created the world’s strongest direct current magnetic field.
Research article: S. Hahn et al.
08:38 Research Highlights
Macaques’ musicality and human consumption of microplastics.
Research Article: Divergence in the functional organization of human and macaque auditory cortex revealed by fMRI responses to harmonic tones;
Research Highlight: What a bottled-water habit means for intake of ‘microplastics’
10:55 Aerosols’ impacts on the climate
There’s a still a lot to learn about how aerosols affect the climate.
Comment: Soot, sulfate, dust and the climate — three ways through the fog
17:03 News Chat
The launch of an X-ray space telescope, and a Russian researcher’s plans to CRISPR-edit human embryos. News:Space telescope to chart first map of the Universe in high-energy X-rays; News: Russian biologist plans more CRISPR-edited babies
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Transcript
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| 0:00.0 | Nature. |
| 0:02.0 | In a experiment, I don't know yet. |
| 0:06.0 | Why is Blight so far? |
| 0:08.0 | Like, it sounds so simple. |
| 0:09.0 | They had no idea. |
| 0:11.0 | But now the data's... |
| 0:12.0 | I find this not only refreshing, but at some level astounding. |
| 0:20.0 | Nature. |
| 0:25.9 | Welcome back to the Nature podcast. |
| 0:29.7 | This week we'll be finding out about a mighty magnet and hearing about aerosols' effects in the atmosphere. |
| 0:33.6 | I'm Benjamin Thompson. |
| 0:35.0 | And I'm Nick Hell. |
| 0:45.1 | Okay. I'm Benjamin Thompson and I'm Nick Al. Listeners, for our first story today, I want to talk about magnets. |
| 0:49.1 | But not the ones you might have attached to your fridge at home. |
| 0:52.0 | Oh no, I want to talk about some monstrously powerful magnets. |
| 0:56.2 | For many years, researchers have been creating stronger and stronger magnetic fields for use in things like MRI scanners, |
| 1:03.1 | particle accelerators and nuclear fusion experiments. This week in nature, a team have beaten the current world record for a particular type of magnet |
| 1:11.9 | using techniques that could usher in a route to even stronger magnets being made in the future. |
| 1:17.7 | Now, magnetic fields are measured in units called Teslas. |
| 1:22.3 | A fridge magnet has a strength of maybe a few millie Tesla, |
| 1:25.1 | but this new one can produce a field tens of thousands of times |
| 1:29.1 | stronger at 45.5 Tesla. To get an idea of how the team managed it, let's find out a bit about |
... |
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