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Dec 28, 2023

Scientists Worried Humankind Will Descend Into Chaos If We Ever Discover an Alien Signal

Posted by in category: futurism

If aliens were to be in touch tomorrow, humanity would be ill-prepared, scientists warn — something that needs to change as soon as possible.

Dec 28, 2023

One CAR T-Cell Therapy for Blood Cancers?

Posted by in category: biotech/medical

In the Lord of the Rings, there was “one ring to rule them all.” Now, a team of researchers is developing their own single ruler, an approach to CAR T-cell therapy that could treat all forms and types of blood cancer.

In experiments in mouse models of different blood cancers, the treatment rapidly eliminated tumors, including in mice with acute myeloid leukemia (AML), a difficult-to-treat type of blood cancer for which researchers have struggled to develop effective immunotherapies.

There was also no evidence of serious side effects in the animals. And, finally—and distinctly from the standard approach to current CAR T-cell therapies—it provided the mice with a healthy supply of new blood cells.

Dec 28, 2023

The secrets of Einstein’s unknown equation — with Sean Carroll

Posted by in categories: cosmology, information science, space travel

Did you know that Einstein’s most important equation isn’t E=mc^2? Find out all about his equation that expresses how spacetime curves, with Sean Carroll.

Buy Sean’s book here: https://geni.us/AIAOUHn.
YouTube channel members can watch the Q&A for this lecture here: • Q&A: The secrets of Einstein’s unknow…

Continue reading “The secrets of Einstein’s unknown equation — with Sean Carroll” »

Dec 28, 2023

A History of Women in Mathematics: Exploring the Trailblazers of STEM: DeBakcsy, Dale: 9781399056519: Amazon.com: Books

Posted by in category: mathematics

A History of Women in Mathematics: Exploring the Trailblazers of STEM [DeBakcsy, Dale] on Amazon.com. *FREE* shipping on qualifying offers. A History of Women in Mathematics: Exploring the Trailblazers of STEM.

Dec 28, 2023

Can Flow Batteries Finally Beat Lithium?

Posted by in categories: energy, nanotechnology

On every count, nanoelectrofuel flow batteries appear to beat lithium-ion batteries for use in EVs and larger systems. Influit expects that its current generation of nanoelectrofuel, together with the entire ecosystem needed to produce, distribute, and recycle the fuel that the company is building around it, should cost $130/kWh when used in an EV. In comparison, lithium-ion batteries cost around $138/kWh. True, lithium-ion’s costs should drop below $100/kWh in a few years, but Influit expects its next-generation nanoelectrofuel to fall even further, to around $50 to $80/kWh. That next-gen system should have 5 times the energy density of present Li-ion systems.

Here’s what that means for an EV.

Continue reading “Can Flow Batteries Finally Beat Lithium?” »

Dec 28, 2023

Cache is king when it comes to designing the gaming CPUs of the next 20 years

Posted by in categories: computing, physics

Facing a power wall and the limit of physics, chip makers are in a constant battle to reengineer and re-evaluate ways to build a better CPU.

Dec 28, 2023

As social media guardrails fade and AI deepfakes go mainstream, experts warn of impact on elections

Posted by in category: robotics/AI

NEW YORK (AP) — Nearly three years after rioters stormed the U.S. Capitol, the false election conspiracy theories that drove the violent attack remain prevalent on social media and cable news: suitcases filled with ballots, late-night ballot dumps, dead people voting.

Experts warn it will likely be worse in the coming presidential election contest. The safeguards that attempted to counter the bogus claims the last time are eroding, while the tools and systems that create and spread them are only getting stronger.

Dec 28, 2023

Thompson touts Space Force acquisition achievements in exit interview

Posted by in category: space

Gen DT Thompson ought to be proud of United States Space Force accomplishments during his tenure. Also, I remember his forward-leaning thoughts on establishing a new service as a guest speaking at my Space 300 Course in early 2019. At the time, the rank and file response was to maintain the status quo and not create a Space Force.

Dec 28, 2023

Webb Rings in Holidays with Ringed Planet Uranus

Posted by in category: space

The James Webb Space Telescope recently trained its sights on unusual and enigmatic Uranus, an ice giant that spins on its side. Webb captured this dynamic world with rings, moons, storms, and other atmospheric features—including a seasonal polar cap. The image expands upon a two-color version released earlier this year, adding additional wavelength coverage for a more detailed look.

With its exquisite sensitivity, Webb captured the dim inner and outer rings of Uranus, including the elusive Zeta ring—the extremely faint and diffuse ring closest to the planet. It also imaged many of the planet’s 27 known moons, even seeing some small moons within the rings.

In visible wavelengths as seen by Voyager 2 in the 1980s, Uranus appeared as a placid, solid blue ball. In infrared wavelengths, Webb is revealing a strange and dynamic ice world filled with exciting atmospheric features.

Dec 28, 2023

Rux Robot: Fun and Practical Desktop AI Robot

Posted by in category: robotics/AI

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