Respect for magnetism

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Perhaps it’s because I have a tendency to be curious about things that cannot be seen with the naked eye, but sometimes I find magnets mysterious as well. The force with which modern magnets repel and attract each other seems to be quite strong compared to their size. The magnetic force that magnets possess seems to be generated when magnets become magnetized.

https://www.simotec.co.jp/technical/magnet/control_adsorption

Just as a magnet has a north pole and a south pole, the Earth also has a north magnetic pole and a south magnetic pole. The Earth’s magnetic field covers the entire planet, and with a compass you can find the direction of magnetic north in most areas. The whole Earth is like one big magnet. This magnetic force, called geomagnetism, is apparently generated by molten metal flowing inside the Earth.

https://www.nikkei.com/article/DGXKZO09427200R11C16A1W12001

It seems that the geomagnetic field acts as a magnetic barrier to protect the Earth from the flow of supersonic plasma (electrically charged particles) from the sun. This solar energy, called the solar wind, is necessary for life on Earth, but is it too strong when it hits us directly? Apparently the Earth’s magnetic barrier is also quite strong, strong enough to rival the solar wind. The Earth’s magnetic field is amazing.

https://www.museum.kyushu-u.ac.jp/publications/special_exhibitions/PLANET/06/06-2.html

It’s invisible so we don’t really feel it, but it seems to protect us from cosmic rays as well. Who knew magnetic fields were so amazing? It’s amazing that they have such power all over the Earth, but then you wonder if there are creatures that make good use of magnetic fields. Famous examples include carrier pigeons and migratory birds, but also fish that migrate long distances such as sharks, tuna, and salmon, bacteria, algae, snails, lobsters, eels, honeybees, mole rats, newts, dolphins, whales, and sea turtles.

https://www.businessinsider.jp/article/234445

Being able to sense magnetic fields is amazing, but it seems that humans can sense them too. Perhaps this could be called “magnetic sense,” a sixth sense after sight, hearing, smell, touch, and taste. I don’t feel like I can sense this very well, but perhaps people with sharper senses can tell.

https://wired.jp/2016/06/30/magnetic-sixth-sense/

The geomagnetic field is amazing, as it creates a barrier around the Earth, spreads to every corner, and is essential for the lives of many living things. Magnetism is amazing, and the Earth is amazing.

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