(Eli5)My whole life magnets and electronics were mortal enemies. Now my credit cards are held to my phone by a magnet…

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When or why are magnets safe to use now?

In: Technology

5 Answers

Anonymous 0 Comments

Older computer hard drives are magnetic, and a strong magnet can destroy the data on them.

CRT monitors also rely on magnetic fields to display an image, so a magnet can break the display.

Newer technology doesn’t work that way. SSDs and LEDs aren’t as easily affected by the kind of weak magnet that you’d use in a phone case.

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