Lasers transform metal into ‘perfect’ solar absorber

Researchers have used femto-second laser pulses to etch nano-sized designs onto black metal, turning it into a solar energy absorber.

Bob Marcotte-U. Rochester | Feb. 5, 2020 | futurity
~4 mins   

Tags: science-and-technology lasers materials-science metals renewable-energy

‘Chameleon’ metal changes in response to heat

Like a chameleon changing color in response to its environment, researchers have found a way to use heat to change the surface structure of liquid metal.

Mike Krapfl-Iowa State | Jan. 13, 2020 | futurity
~3 mins   

Tags: science-and-technology heat metals polymers shape-memory-alloys smart-technology

Team uses plastic to make super light 18-carat gold

Love gold but not how heavy it is? Researchers used plastic to create an incredibly lightweight 18-carat gold that weighs about five to 10 times less.

Peter Rüegg-ETH Zurich | Jan. 10, 2020 | futurity
~4 mins   

Tags: featured science-and-technology gold materials-science metals plastics weight

Platinum is great at splitting water for a surprise reason

Understanding why platinum is the best catalyst for splitting water could lead to cheaper ways to make hydrogen fuel.

Kevin Stacey-Brown | Jan. 2, 2020 | futurity
~4 mins   

Tags: earth-and-environment science-and-technology catalysts chemistry hydrogen metals platinum renewable-fuels water

3D-printed ‘David’ is just 0.1 mm tall

3D-printing has created two tiny versions of Michelangelo's "David," one 1 mm tall, and the other just one-tenth the size of that.

Peter Rüegg-ETH Zurich | Dec. 18, 2019 | futurity
~3 mins   

Tags: featured science-and-technology 3d-printing art copper metals

Something funky happens to metal melting point under pressure

The melting point of metals usually goes up under pressure, but it may actually go down with about 300,000 times the pressure of Earth's atmosphere.

Kevin Stacey-Brown | Dec. 9, 2019 | futurity
~3 mins   

Tags: featured science-and-technology melting metals pressure quantum-physics temperature

Cadmium, gene combo can speed up cognitive decline

Exposure to cadmium could speed up cognitive impairment, but it's even worse for people with a gene key to Alzheimer's disease.

Ashlie Chandler-Washington | Dec. 3, 2019 | futurity
~5 mins   

Tags: featured health-and-medicine alzheimers-disease brains cognition heavy-metals toxins

New material offers lots of perks to soft robots

Soft robots and prosthetics could benefit from a new material that's conductive, lightweight, and heat-tolerant. Learn more in the video.

National University of Singapore | Dec. 3, 2019 | futurity
~5 mins   

Tags: featured science-and-technology materials-science metals prostheses robots

Unsinkable metal structure mimics spiders and ants

Researchers have created an unsinkable metal structure with inspiration from diving bell spiders and rafts of fire ants.

Bob Marcotte-U. Rochester | Nov. 7, 2019 | futurity
~3 mins   

Tags: featured science-and-technology biomimicry hydrophobic-materials materials-science metals water

For plane wings, metal foam may beat aluminum

A super sturdy kind of metal foam outperforms aluminum in tests to determine its suitability for the leading edge of airplane wings.

Matt Shipman-NC State | Oct. 21, 2019 | futurity
~4 mins   

Tags: science-and-technology airplanes aluminum foam materials-science metals wings

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