Amazing Tricks With Magnets 5 Awesome Tricks With Magnets Tricks from this video: 1. Homemade compass. For this trick you ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

There are organisms that can use the magnetic field of the earth to navigate, including animals like honey bees and migratory birds, and some bacteria. Scientists have now learned more about how a ...

Quick – can you tell where north is? Animals as diverse as sea turtles, birds, worms, butterflies and wolves can, thanks to sensing Earth’s magnetic field. But the magnet-sensing structures inside ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Imagine a bar magnet inside Earth, more or less aligned with the axis, where the ends of that ...