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Dec 18, 2024

ORNL researchers translate foundational uranium science into active nonproliferation solutions

Posted by in categories: biotech/medical, computing, military, nuclear energy, science, terrorism

Through its commitment to international nuclear nonproliferation — a mission focused on limiting the spread of nuclear weapons and sensitive technology while working to promote peaceful use of nuclear science and technology — the United States maintains a constant vigilance aimed at reducing the threat of nuclear and radiological terrorism worldwide.

With extensive research into both basic and applied uranium science, as well as internationally deployed operational solutions, the Department of Energy’s Oak Ridge National Laboratory is uniquely positioned to contribute its comprehensive capabilities toward advancing the U.S. nonproliferation mission.

In 1943, seemingly overnight, ORNL emerged from a rural Tennessee valley as the site of the world’s first continuously operating nuclear reactor, in support of U.S. efforts to end World War II. ORNL’s mission soon shifted into peacetime applications, harnessing nuclear science for medical treatments, power generation and breakthroughs in materials, biological and computational sciences.

Dec 18, 2024

Researchers propose building homes on Mars with human blood

Posted by in category: biotech/medical

AstroCrete uses a protein found in plasma as a binder. No, really.

Dec 18, 2024

CRISPR genome-editing grows up: advanced therapies head for the clinic

Posted by in categories: biotech/medical, genetics

Gene-editing technologies for cancer and blood disorders are maturing a little more than a year after the first CRISPR drug was approved.

Dec 18, 2024

Israel now operating its first domestically built quantum computer

Posted by in categories: computing, quantum physics

First Israeli superconductor-based quantum computer supporting defense and civilian applications is now operational.

Dec 18, 2024

What would happen to the human body moving at near lightspeed?

Posted by in category: biotech/medical

Colors change, time distorts, and you’d probably get pancaked.

Dec 18, 2024

How Einstein Tried to Explain Matter

Posted by in category: futurism

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Dec 18, 2024

Ultrahigh-gain colloidal quantum dot infrared avalanche photodetectors

Posted by in category: quantum physics

Kinetically pumped avalanche multiplication has been demonstrated in a colloidal quantum dot photodetector, achieving an 85-fold multiplication gain. This proposes new opportunities for developing colloidal quantum dot single-photon detectors.

Dec 18, 2024

Hubble trouble or Superbubble? Astronomers need to escape the ‘supervoid’ to solve cosmology crisis

Posted by in category: cosmology

The disagreement in the rate of expansion of the universe, the Hubble tension, could arise from the fact Earth sits in an under-dense supervoid region of space.

Dec 18, 2024

Bias in AI amplifies our own biases, finds study

Posted by in categories: employment, robotics/AI

Artificial intelligence (AI) systems tend to take on human biases and amplify them, causing people who use that AI to become more biased themselves, finds a new study by UCL researchers.

Human and AI biases can consequently create a , with small initial biases increasing the risk of human error, according to the findings published in Nature Human Behaviour.

The researchers demonstrated that AI bias can have real-world consequences, as they found that people interacting with biased AIs became more likely to underestimate women’s performance and overestimate white men’s likelihood of holding high-status jobs.

Dec 18, 2024

Neuroscientists discover a new pathway to forming long-term memories in the brain

Posted by in category: neuroscience

Researchers from Max Planck Florida Institute for Neuroscience have discovered a new pathway to forming long-term memories in the brain. Their work, published in Nature Neuroscience, suggests that long-term memory can form independently of short-term memory, a finding that opens exciting possibilities for understanding memory-related conditions.

Our brain works diligently to record our experiences into memories, creating representations of our daily events that stay with us for short time periods. Current scientific theories of memory formation suggest that short-term memories are stored in what we can imagine as a temporary art exhibition in our brain before being cleared out for representations of new experiences.

A tiny fraction of these short-term memories—those most relevant to us—are moved to a more permanent exhibit, our long-term memory, where they are stored for days, years, or decades.

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