John Carmack proposes fiber-optic loops as high-speed AI cache

The thought experiment began with a number. Single-mode fiber optics can now transmit data at 256 terabits per second over 200 kilometers. Based on that capacity, ...
MarketWatch

A stock-market sell signal has been triggered at Bank of America. Here’s what happens next.

A flow of money into stocks and more equities participating in the bull market have triggered a sell signal that historically has led to big pullbacks, according to a new Bank of America report. Bank ...
PBS

Read the full report on Hegseth's use of Signal from the Pentagon inspector general

WASHINGTON (AP) — Defense Secretary Pete Hegseth put U.S. troops at risk by sharing sensitive plans about an upcoming military strike in Yemen on his personal phone, according to a Pentagon inspector ...
CSOonline

Insecure use of Signal app part of wider Department of Defense problem, suggests Senate report

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax attitude towards the use of non-approved messaging apps by officials and ...
Ars Technica

Why Signal’s post-quantum makeover is an amazing engineering achievement

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...
CNN

Pentagon watchdog has completed review of Hegseth’s use of Signal, sources say

The Pentagon’s internal watchdog has completed a monthslong review of Secretary of Defense Pete Hegseth’s use of Signal to discuss sensitive military operations and has submitted its findings to ...
TechCrunch

Signal introduces free and paid backup plans for your chats

Privacy-focused messaging app Signal announced on Monday that it’s introducing a feature that allows users to back up their text conversations for free, along with ...
Space.com

That mysterious 'Wow! signal' from space? Scientists may finally know where it came from — and it's probably not aliens

"Our results don't solve the mystery of the Wow! Signal, but they give us the clearest picture yet of what it was and where it came from." When you purchase through links on our site, we may earn an ...
IFLScience

The "Wow!" Signal Was Likely From An Extraterrestrial Source, And More Powerful Than We Thought

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
Phys.org

The 'Wow!' signal gets an update: It was even stronger than we thought

The "Wow!" signal has been etched with a red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the ...
Futurism

Scientists Detect Precise Origin of Mysterious Signal From Deep Space

For almost two decades, astronomers have been trying in vain to explain extremely bright flashes of radio bursts emanating from deep space. Despite only lighting up for a tiny fraction of a second, ...
IEEE

Human Activity Recognition From Radar Signals Based on FBSE-EWT and Quantum Convolution Neural Network

Abstract: Frequency-modulated continuous wave (FMCW) radar signals reflected from the human activities are analyzed to enable accurate recognition and classification, forming the basis for activity ...