Magnetic induction cooking can cut your kitchen's carbon footprint
Shifting from fossil fuels to electricity is climate-friendly, but serious cooks don't think much of electric stoves. Will induction cooking finally catch on as an alternative?
Dec. 23, 2020 • ~9 min
climate-change energy electricity cooking natural-gas magnetic-fields electromagnetism household-appliances
Magnetars may be behind some fast radio bursts
Researchers may have pinpointed a source of some fast radio bursts. They may come from neutron stars with extremely powerful magnetic fields called magnetars.
Nov. 13, 2020 • ~4 min
space stars featured science-and-technology magnetic-fields
Magnetism of Himalayan rocks reveals the mountains' complex tectonic history
Earth's magnetic field locks information into lava as it cools into rock. Millions of years later, scientists can decipher this magnetic data to build geologic timelines and maps.
Nov. 2, 2020 • ~9 min
geology lava plate-tectonics india magnetism rocks mountains himalayas magnetic-fields mantle earths-mantle tectonic-plates subduction paleomagnetism
Watch a tiny robot back flip through a real colon
A microrobot as small as a few human hairs can do flips through the colon to deliver drugs. Check out the video to see it in action.
Oct. 16, 2020 • ~6 min
robots drug-delivery featured health-and-medicine magnetic-fields
Life on Earth: why we may have the Moon's now defunct magnetic field to thank for it
The Earth's magnetic field was most likely weaker when life evolved on our planet than it is today.
Oct. 15, 2020 • ~5 min
evolution atmosphere moon earth sun magnetism magnetic-fields life-on-earth solar-winds
Are the Earth's magnetic poles about to swap places? Strange anomaly gives reassuring clue
The Earth's magnetic field is a lot weaker than we would expect around the island of St Helena.
July 20, 2020 • ~7 min
magnetic-fields earths-core earths-mantle
Earth’s magnetic field may change faster than we thought – new research
Changes in the Earth's magnetic field pose a great risk to electronic infrastructure.
July 20, 2020 • ~7 min
magnetic-fields geophysics earths-core
What exoplanets can tell us about Earth
"We don't only look at other planets to know what's out there. It's also a way for us to learn things about the planet that's under our own feet."
March 6, 2020 • ~10 min
space exoplanets planets water plate-tectonics earth alien-life science-and-technology magnetic-fields
Solar storms can mess up gray whales’ sense of direction
Gray whales use Earth's magnetic field like a GPS to navigate their migrations, but cosmic bursts of radio static may throw them off.
Feb. 24, 2020 • ~3 min
storms sun whales science-and-technology magnetic-fields
Watching magnetic nano ‘tornadoes’ in 3D
Scientists have developed a three-dimensional imaging technique to observe complex behaviours in magnets, including fast-moving waves and ‘tornadoes’ thousands of times thinner than a human hair.
Feb. 24, 2020 • ~5 min
advanced-materials physics nanotechnology magnetic-field
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