4.8 • 5.9K Ratings
🗓️ 23 April 2025
⏱️ 23 minutes
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0:00.0 | In 1989, a solar storm hit Quebec. |
0:05.0 | The storm only lasted a few hours, but it knocked out power for 9 million people. |
0:11.0 | And this was a blessing. Without the Earth's magnetic field, the damage would have been much worse. |
0:17.0 | Our magnetic field protects us. It's been our shield for billions of years, stopping deadly radiation and keeping our planet |
0:24.5 | survivable. |
0:25.5 | But that shield isn't perfect, and sometimes it fails. |
0:29.8 | Scientists recently found proof inside an old stalagmite from a cave in China. |
0:34.2 | Earth's magnetic field can flip, not slowly over thousands of years, fast, sometimes |
0:40.3 | in just 100 years. |
0:42.3 | The last big flip happened 780,000 years ago, and we're overdue for a big one, but smaller |
0:48.6 | shifts, they happen much more often. |
0:51.7 | When the field flips, the shield weakens to about 10% strength. When it happens, |
0:56.5 | our defenses fail. Quickly, solar radiation hits the surface. Plasma from the sun floods |
1:02.7 | the atmosphere. Our magnetic field is weakening right now. It's already 10% weaker since the 1800s. |
1:09.2 | Over the South Atlantic, satellites have been disabled, and the North Magnetic Pole is moving |
1:14.8 | 34 miles a year towards Siberia and moving faster every year. |
1:19.6 | Something is happening. |
1:21.7 | Our ancestors have legends about the last magnetic flip and danger from the sun. |
1:26.8 | The stories are terrifying. They knew this was |
1:29.4 | a cycle. They left warnings for future generations carved in stone, but those warnings |
1:34.6 | are being ignored. Maybe we should start paying attention, because the cycle is about to repeat. You know what I don't smell, even with spring and full bloom, that dreaded litter box. |
1:56.0 | And that's all thanks to Pretty Litter. |
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