资讯

GPS systems, planes and military equipment track the magnetic field and rely on accurate models of magnetic north to function ...
Artifacts from the Iron Age have revealed an intense historical magnetic anomaly in the Middle East. Could using a similar approach elsewhere help us unravel the mysteries of Earth's magnetic field?
A rare geological event occurs every 300,000 years or so: the Earth’s magnetic poles flip. The magnetic poles are the two ends of the magnetosphere, which surrounds the Earth like a giant ...
Why Earth’s Magnetic Pole Reversals Are So Fascinating Every 300,000 years or so, the Earth's magnetic poles flip.
From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...
With these Wirecutter-approved picks under $100, you don’t have to spend a lot to get a good deal this Amazon Prime Day.
Duux might not be a household name like Dyson or Shark, but it’s earned a quiet reputation for making quality fans with ...
Mukhopadhyay's research suggests that a shift in Earth's magnetic poles around 41,000 years ago, known as the Laschamp event, may have contributed to the extinction of Neanderthals.
Learn more› By The Deals Team The Deals team hunts for and highlights only the best discounts on picks made by our editorial experts. As Prime Day winds down, we’ve stopped our up-to-the-minute ...
The deadline for the start of Trump's heaviest tariffs has been delayed a few weeks, but a new report has nonetheless shown that inflation is once again on the rise.
Ford chief predicts AI will replace “literally half of all white-collar workers.” ...