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Apr 9, 2019

3D printed tires and shoes that self-repair

Posted by in categories: 3D printing, chemistry, life extension, robotics/AI

Instead of throwing away your broken boots or cracked toys, why not let them fix themselves? Researchers at the University of Southern California Viterbi School of Engineering have developed 3D-printed rubber materials that can do just that.

Assistant Professor Qiming Wang works in the world of 3D printed materials, creating new functions for a variety of purposes, from flexible electronics to sound control. Now, working with Viterbi students Kunhao Yu, An Xin, and Haixu Du, and University of Connecticut Assistant Professor Ying Li, they have made a new material that can be manufactured quickly and is able to repair itself if it becomes fractured or punctured. This material could be game-changing for industries like shoes, tires, soft robotics, and even electronics, decreasing manufacturing time while increasing product durability and longevity.

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Apr 9, 2019

New ‘acoustic metamaterial’ cancels sound

Posted by in category: engineering

Boston University researchers, Xin Zhang, a professor at the College of Engineering, and Reza Ghaffarivardavagh, a Ph.D. student in the Department of Mechanical Engineering, released a paper in Physical Review B demonstrating it’s possible to silence noise using an open, ringlike structure, created to mathematically perfect specifications, for cutting out sounds while maintaining airflow.

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Apr 9, 2019

Metal vs. plastic vs. glass vs. ceramic: Which is the best phone material?

Posted by in categories: materials, mobile phones

One day, phones will be made from stardust and unicorns. For now, though, we have four choices.

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Apr 9, 2019

Reversing Cognitive Decline

Posted by in categories: life extension, neuroscience

A team of Stanford researchers led by Professor Wyss-Coray set out to find out which genes were linked to age-related cognitive decline. Not only did the researchers find the culprit, they were able to reverse cognitive decline and rejuvenate aged mouse brains.

Searching for the cause of cognitive decline

Microglia are immune cells that reside in the brain and spinal cord. These cells mediate immune responses in the central nervous system and act like other macrophages, clearing cellular debris and dead neurons from nervous tissue through the process of phagocytosis (cell eating).

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Apr 9, 2019

Dynamo maker ready to roll

Posted by in category: space

Circa 2011 this could make its own gravity when used on a spacestation.


Two rotating spheres separated by thousands of kilograms of liquid sodium aim to mimic Earth’s interior.

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Apr 9, 2019

The first-ever photo of a black hole is expected very soon

Posted by in category: cosmology

Are you excited?


Scientists from the Event Horizon Telescope Collaboration will present a “groundbreaking result” from the project on April 10, according to a media advisory.

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Apr 9, 2019

Obliteration as a Service

Posted by in category: futurism

Is a series on threats posed by #ArtificialIntelligence.


Intro.

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Apr 9, 2019

On April 9 at 11:45 a.m

Posted by in category: space

EDT, I’m speaking at the annual Space Symposium on NASA’s commitment to accelerate our plans for lunar exploration. Watch:

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Apr 9, 2019

Blue Origin urging Air Force to postpone launch competition

Posted by in categories: military, satellites

COLORADO SPRINGS — Blue Origin wants the U.S. Air Force to wait until 2021 before picking the two companies it intends use for launching critical military satellites in the decade ahead.

The Air Force, however, aims to solicit proposals this spring and choose its two preferred launch providers in 2020 — perhaps a year or more before the new rockets that the Air Force is fostering at Blue Origin, United Launch Alliance and Northrop Grumman make their first flights.

All three companies were chosen in October by the Air Force Space and Missile Systems Center to share $2.3 billion in so-called Launch Service Agreement (LSA) funding to support development of next-generation rockets capable of meeting the military’s satellite launch needs.

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Apr 9, 2019

The basics of modern AI—how does it work and will it destroy society this year?

Posted by in category: robotics/AI

Today’s AI is technically “weak”—but it’s complex and can have a great societal impact.

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