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Feb 17, 2022

Nano-engineered sealer leads to more durable concrete

Posted by in categories: engineering, life extension, nanotechnology

A nanomaterials-engineered penetrating sealer developed by Washington State University researchers is able to better protect concrete from moisture and salt—the two most damaging factors in crumbling concrete infrastructure in northern states.

The novel sealer showed a 75% improvement in repelling water and a 44% improvement in reducing salt damage in laboratory studies compared to a commercial sealer. The work could provide an additional way to address the challenge of aging bridges and pavements in the U.S.

“We focused on one of the main culprits that compromises the integrity and durability of concrete, which is moisture,” said Xianming Shi, professor in the Department of Civil and Environmental Engineering who led the work. “If you can keep concrete dry, the vast majority of durability problems would go away.”

Feb 16, 2022

Tiny 3D-Printed Engines Are Masterpieces That Fit in Your Palm

Posted by in category: 3D printing

Custom 3D printed, highly detailed versions of your favorite engines have the enthusiast community abuzz.


A modeling fan taught himself the skills to 3D print 1:4 scale engine and wheel masterpieces that have the enthusiast community enthralled.

Feb 16, 2022

How the U.S. fell behind in lithium, the ‘white gold’ of electric vehicles

Posted by in categories: sustainability, transportation

The U.S. used to be a global leader in lithium production, but now has fallen way behind. Several domestic projects are in the works, but will it be enough?

Feb 16, 2022

Physicists may finally learn what’s inside a black hole

Posted by in categories: computing, cosmology, quantum physics, singularity

A light in the dark — If quantum computers continue to advance, and perform more calculations for less steep costs, Rinaldi and his team might be able to reveal what happens inside of black holes, beyond the event horizon — a region immediately surrounding a black hole’s singularity, within which not even light, nor perhaps time itself, can escape the immense force of gravity.

In practical terms, the event horizon prevents all conventional, light-based observations. But, and perhaps more compelling, the team hopes that further advances in this line of inquiry will do more than peek inside a black hole, and unlock what physicists have dreamed of since the days of Einstein: a unified theory of physics.

Feb 16, 2022

How to design a sail that won’t tear or melt on an interstellar voyage

Posted by in categories: engineering, space

Astronomers have been waiting decades for the launch of the James Webb Space Telescope, which promises to peer farther into space than ever before. But if humans want to actually reach our nearest stellar neighbor, they will need to wait quite a bit longer: a probe sent to Alpha Centauri with a rocket would need roughly 80,000 years to make the trip.

Igor Bargatin, Associate Professor in the Department of Mechanical Engineering and Applied Mechanics, is trying to solve this futuristic problem with ideas taken from one of humanity’s oldest transportation technologies: the sail.

As part of the Breakthrough Starshot Initiative, he and his colleagues are designing the size, shape and materials for a sail pushed not by wind, but by .

Feb 16, 2022

GPU Prices Continue to Fall for the Third Month in a Row

Posted by in category: computing

Believe it or not, graphics card prices seem to be headed down. 3D Center has been tracking and reporting pricing trends for GPUs in Germany and Austria. There’s good news: prices are indeed on a downward slope. Even better; this is the third month in a row they have declined, so we can’t just write it off as a one one-time fluke. That said, here’s the bad news: even if this trend continues, which is a big if, prices are still so inflated that months of “progress” may only result in GPUs returning to MSRP, supply issues notwithstanding. At this point we’ll take what we can get.

The report by 3D Center for February mirrors the company’s report from last month, which we covered here. There’s a noticeable downward trend in pricing for both AMD and Nvidia GPUs. It’s almost shocking to see after so many reports of price increases. The trend is undeniable. According to 3D Center, the February price of AMD’s Radeon RDNA2 cards has fallen 18 percent, to 145 percent over MSRP. For Nvidia’s Ampere GPUs, prices fell 20 percent, leaving them 157 percent over MSRP.

Feb 16, 2022

The case for techno-optimism: Is the world about to enter an era of mass flourishing?

Posted by in categories: biotech/medical, information science, supercomputing

Instead of relying on a fixed catalogue of available materials or undergoing trial-and-error attempts to come up with new ones, engineers can turn to algorithms running in supercomputers to design unique materials, based on a “materials genome,” with properties tailored to specific needs. Among the new classes of emerging materials are “transient” electronics and bioelectronics that portend applications and industries comparable to the scale that followed the advent of silicon-based electronics.

In each of the three technological spheres, we find the Cloud increasingly woven into the fabric of innovation. The Cloud itself is, synergistically, evolving and expanding from the advances in new materials and machines, creating a virtuous circle of self-amplifying progress. It is a unique feature of our emerging century that constitutes a catalyst for innovation and productivity, the likes of which the world has never seen.

Feb 16, 2022

Scientists take ‘major’ step in understanding how AGNs work

Posted by in category: futurism

It’s all about perspective.

Feb 16, 2022

DeepMind uses AI to control plasma inside tokamak fusion reactor

Posted by in categories: nuclear energy, robotics/AI

For the first time, artificial intelligence has been used to control the super-hot plasma inside a fusion reactor, offering a new way to increase stability and efficiency.

Feb 16, 2022

Ancient kauri trees capture last collapse of Earth’s magnetic field

Posted by in category: climatology

Unleashed cosmic ray bombardment may have eaten up ozone, driving short-term climate swings.