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

Tags: 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

Tags: 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

Tags: 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

Tags: 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

Tags: 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

Tags: 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

Tags: advanced-materials physics nanotechnology magnetic-field

Earth’s early magnetic field was stronger than we thought

The Earth's early magnetic field was stronger than scientists had believed, according to ancient crystals that give researchers a view into the past.

Lindsey Valich-Rochester • futurity
Feb. 3, 2020 ~5 min

Tags: planets science-and-technology early-earth magnetic-fields

Space ‘super-storms’ may be more common than we thought

"Don't be misled by the stats, it can happen any time, we simply don't know when and right now we can't predict when."

U. Oregon • futurity
Jan. 29, 2020 ~4 min

Tags: space storms weather sun featured science-and-technology magnetic-fields

Magnetic fields turn material bendy and twisty

Researchers can control the shape of a new material called a magnetic shape memory polymer with magnetic fields, which could be useful for future robots.

Josh Brown-Georgia Tech • futurity
Dec. 17, 2019 ~4 min

Tags: robots materials-science polymers featured science-and-technology magnetic-fields

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