If you go out hiking this weekend and somehow find yourself hopelessly lost in the wilderness, but suddenly remember you have a compass with you, you can use it to find north because the needle always points towards the Earth’s geographic north pole, which never changes… right?
Wrong, wrong, and wrong. And this video from MinutePhysics explains why.
(But still bring a compass with you. They do come in handy.)
Recent Posts
Our Strategy to Catch the 2024 Geminid Meteors
Don’t let the bright Moon deter you from seeing the one of the best meteor…
Observations by DESI Open the Door to Modified Gravity Models
Observations from the Dark Energy Spectroscopic Instrument suggest that the rate of cosmic expansion may…
Using Jupiter as a Dark Matter Detector
The nature of dark matter has been a hotly debated topic for decades. If it’s…
NASA has Plans for More Cargo Deliveries to the Moon
Through the Artemis Program, NASA hopes to lay the foundations for a program of "sustained…
Space Telescopes Could See a Second Life With a Servicing Mission
Telescopes in space have a huge advantage over those on the ground: they can see…
Other Liquids Could Be Forming Minerals on Mars
Most people will think of a dry arid landscape when they think of Mars. When…