How does a magnetic compass work? Well, it’s all down to basic physics and human ingenuity. The key component of a standard baseplate compass is its magnetized needle, which is allowed to spin freely ...

Learn how to find the current needed to deflect a compass needle in this step-by-step physics tutorial! Explore the principles of magnetic fields, current-carrying wires, and the interaction with a ...

Some inventions are so simple that it’s hard to improve them. The magnetic compass is a great example — a magnetized needle, a bit of cork, and a bowl of water are all you need to start navigating the ...

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 ...

HONOLULU (HawaiiNewsNow)- Dr.V and Taizo Braden are back at the Honolulu Theater for Youth. Let's see how a compass works and how you can make one. Fill your glass bowl with water. Run the magnet over ...

Scientists have identified a new component of the complex navigational system that allows monarch butterflies to transverse the 2,000 miles to their overwintering habitat each year. Monarchs use a ...

If you're hiking or exploring the wilds and you lose or bust your compass you can make a rudimentary compass by floating a magnetized needle. Instead of looking for a pond or puddle to hold your ...