Strong magnets tend to be large and power-hungry, but a new design has produced a powerful magnet that fits in the palm of your hand, making it more practical and affordable
Več na: https://www.newscientist.com/article/2518964-a-miniature-magnet-rivals-behemoths-in-strength-for-the-first-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
nazaj
