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New laser-based headset can measure blood flow, assess risk of stroke: « A headset-based device that can be used to noninvasively assess a patient's stroke risk by monitoring changes in blood flow and volume while a participant holds their breath

Gargantuan Black Hole Jets Are Biggest Seen Yet

Did Canals Help Build Egypt's Pyramids?

NASA's Infrared Survey Telescope Ready to Retire

Sun-like stars found orbiting hidden companions: « Gaia is continuously scanning the sky and measuring the wobbles of more than a billion stars, so the odds are good for finding even very rare objects

Caltech Develops First Noninvasive Method to Continually Measure Blood Pressure

Cosmic simulation reveals how black holes grow and evolve

Edward C. Stone, 1936-2024

Caltech restores standardized test requirement for undergraduate admission

Using Polarization to Improve Quantum Imaging

25 Years Ago: The First Asynchronous Microprocessor (2014)

Can Earthquakes Be Predicted? (2022)

Space Solar Power Demonstrator ends first in-space mission

California Supervolcano is Cooling Off but May Still Cause Quakes

A New Way to Erase Quantum Computer Errors

LIGO Surpasses the Quantum Limit

LIGO Surpasses the Quantum Limit

Algebra

Cargo Cult Science (1974) [pdf]

Some alloys don't change size when heated – recent work on why

Feynman's Messenger Lectures (1964)

Two-Faced Star Exposed

Caltech's Space Solar Power Demonstrator Wirelessly Transmits Power in Space

New bioinspired robot flies, rolls, walks, and more

A 5.7 Terapixel Mosaic of the Surface of Mars

Feynman Lectures on Physics (1964)

Solar flares created in a laboratory demonstrate kink instability of plasma loops on the Sun

The Global CTX Mosaic of Mars

Knots smaller than human hair make materials unusually tough

Newly developed at-home test for COVID-19 is more than twice as sensitive as current state-of-the-art antigen tests — and the technology can be designed to detect other pathogens, as well

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