Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer recreated a...
magnetic field
As an electromagnetic radiation phenomenon, it’s perhaps not so surprising that light is affected by a magnetic field. This Faraday...
Higher levels of carbon dioxide (CO2) in the Earth’s atmosphere could harm radio communications by enhancing a disruptive effect in...
Release Date: October 25, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
Release Date: October 25, 2025 Here is a summary of the news trending…This Week in Amateur Radio. This week's edition...
Time series of O2 (blue) and VGADM (red). (Credit: Weijia Kuang, Science Advances, 2025) In an Earth-sized take on the...
Apple likes magnets. They started out with magnetic laptop chargers and then graduated to a system that magnetically holds the...
Although the Earth’s magnetic field is reliable enough for navigation and is also essential for blocking harmful solar emissions and...
Every scout knows how to read a compass, and that there is a magnetic north and a true north. That’s...
Down here at the bottom of our ocean of air, it’s easy to get complacent about the hazards our universe...
Helicopters are perhaps at their coolest when they’re being used as flying cranes — from a long dangling cable, they...
A stream of solar wind hit Earth's magnetic field on Sept. 4th, sparking some of the brightest auroras in years...