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?

Kenneth McLeod, Professor of Systems Science, and Director, Clinical Science and Engineering Research Laboratory, Binghamton University, State University of New York • conversation
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.

McGill University • futurity
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.

Craig Robert Martin, Ph.D. Student in Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology • conversation
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.

Kayla Wiles-Purdue • futurity
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.

Jon Mound, Associate Professor of Geophysics, University of Leeds • conversation
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.

Andrew Biggin, Professor of Palaeomagnetism, University of Liverpool • conversation
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.

Christopher Davies, Associate professor, University of Leeds • conversation
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."

Josie Garthwaite-Stanford • futurity
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.

Karl Bates-Duke • futurity
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.

Cambridge University News • cambridge
Feb. 24, 2020 ~5 min

advanced-materials physics nanotechnology magnetic-field