Search Results - density

Tsunamis Are Detected in the Atmosphere by NASA Researchers

Tsunami illustration. Credit: dosomething. New Hazard-Monitoring Technology Using GPS Signals to Find Waves in the Pacific Ring of Fire. The GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network) system was developed by scientists at NASA's Jet Propulsion Laboratory. Its primary goal is to supplement existing early warning systems by detecting tsunamis and other...

New Possibilities Found for Room-Temperature Superconductivity

To study superconducting materials in their “normal,” non-superconducting state, scientists usually switch off superconductivity by exposing the material to a magnetic field, left. SLAC scientists discovered that turning off superconductivity with a flash of light, right produces a normal state with very similar fundamental physics that is also unstable and can host brief flashes...

Ominous Green Lasers Shot Over Hawaii Did Not Come From NASA Satellite After All

A series of green laser beams seen over Hawaii in January. (National Observatory of Japan) Above the islands of Hawaii on January 28th, a green laser was seen piercing the evening sky, silently tracing a course towards the horizon such as a stutter in the Matrix's code. The scene was captured on camera from a telescope atop...

Ripples in Fabric of Universe May Reveal Start of Time

Numerical simulation of the neutron stars merging to form a black hole, with their accretion disks interacting to produce electromagnetic waves. Credit: L. Rezolla (AEI) & M. Koppitz (AEI & Zuse-Institut Berlin) Researchers have advanced in finding out how to utilize ripples in space-time considered as gravitational waves to peer back to the beginning of...

Eye Implant Performed From Pig Skin Reverses Blindness in 14 Individuals

Credit: Thor Balkhed An artificial cornea made from pig skin might end our reliance on human donors and provide millions of individuals worldwide back their sight. The Challenge The cornea is a hard, transparent layer of tissue which covers the front side of the eye. It aids focus light on the retina, and if it is damaged...

Two Time Crystals Have Been Successfully Connected Together For the First Time

Alexandr Gnezdilov Light Painting/Moment/Getty The wonderful step taken by physicists Physicists have just taken an wonderful step regarding quantum devices that seems like something out of science fiction. For the first time, isolated sets of particles acting like unusual states of matter known as time crystals have been connected into a single, advancing system that could...

A Big Problem With Fusion is Solved

Since the dynamics inside a fusion reactor are extremely complicated, the walls may melt. Image credit: Max Planck Institute of Plasma physics. Cutaway of a Fusion Reactor A team of researchers from the Max Planck Institute for Plasma Physics (IPP) and the Vienna University of Technology (TU Wein) has actually found a way to manage Type-I...

Hubble Space Telescope Reveals Webb a Thing or Two with Magnificent Recent Image

This image, taken with the Wide Field Planetary Camera 2 on board the NASA/ESA Hubble Space Telescope, shows the globular cluster Terzan 1. Credit: NASA & ESA, Acknowledgement: Judy Schmidt New picture of the Terzan 1 cluster Whilst the James Webb Space Telescope is already showing fresh insights into the inmost recesses of the visible universe,...

Superaerophobic Polyethyleneimine Hydrogels Improve Electrochemical Hydrogen Manufacturing by Promoting Bubble Detachment

The scheme for a mechanism of bubble-detachment. a) Normal flat electrode, b) the problems of adhered bubbles, and c) various approaches for the removal of gas bubbles. In (a), R, ρ, g, and λ indicate the dimension of bubbles, the density of a solution, gravitational acceleration constant, and surface tension of a solution, respectively....

Quantum Algorithms Conserve Time in the Calculation of Electron Dynamics

The calculations allow the electron densities and the changes after excitation to be determined with high spatial and temporal resolution. Here, the example of the lithium hydride molecule shows the shift of electron density from cyanide (red) to lithium (green) during a laser pulse. Credit: F. Langkabel / HZB Scientists have examined the capacity of...