145 articles from WEDNESDAY 3.5.2023
Light amplification by stimulated emission from electrically driven colloidal quantum dots finally achieved
In a result decades in the making, Los Alamos scientists have achieved light amplification with electrically driven devices based on solution-cast semiconductor nanocrystals—tiny specs of semiconductor matter made via chemical synthesis and often called colloidal quantum dots.
Pressure required to launch a rock from Mars into space much lower than thought, discovers study
In August 1865, a 10-pound rock fell from space to Earth, landing with a bang in the remote village of Sherghati, India. After being recovered by witnesses to the event, the stone passed into the possession of a local British magistrate who endeavored to identify the source of the strange object. After more than a century of studying the meteorite fragments—so-called shergottites—researchers...
Frenchman Mountain Dolostone: 500 million-year-old Grand Canyon rock layer finally gets a name
The Grand Canyon is visited by millions of admirers each year. So, naturally, you'd think that all of its rock layers had been studied and named. But you'd be wrong.
Video: Geoffrey Hinton talks about the “existential threat” of AI
Deep learning pioneer Geoffrey Hinton announced on Monday that he was stepping down from his role as a Google AI researcher after a decade with the company. He says he wants to speak freely as he grows increasingly worried about the potential harms of artificial intelligence. Prior to the announcement, Will Douglas Heaven, MIT Technology Review’s senior editor for AI, interviewed Hinton about...
Luxury shoppers opting for high-end experiences over goods, suggests study
In an ever-evolving, post-pandemic world, more and more consumers of luxury goods are opting for unplanned, high-end experiences instead, according to researchers at the University of Houston Conrad N. Hilton College of Global Hospitality Leadership.
Breakthrough for sweat: Health monitoring device
- ScienceDaily
- 23/5/3 21:46
Sweat is more than just a sign of a good workout. It holds vital information about our health, providing clues to dehydration, fatigue, blood sugar levels and even serious conditions such as cystic fibrosis, diabetes and heart failure. Researchers have taken a giant leap forward in sweat analysis with an innovative 3D-printed wearable sweat sensor called the 'sweatainer.'
'Black sheep' of helper T cells may hold key to precision allergy treatment
- ScienceDaily
- 23/5/3 21:46
A new study sheds light on how a rare type of helper T cell, called Th9, can drive allergic disease, suggesting new precision medicine approaches to treating allergies in patients with high levels of Th9.
Fundamentals of water as a solvent could lead to greener cellulose-based products
- ScienceDaily
- 23/5/3 21:46
Water can change its solubility characteristics depending upon what it interacts with.
Do your homework to prep for the 2023 and 2024 eclipses
- ScienceDaily
- 23/5/3 21:46
This year and next, Americans will have the extraordinary opportunity to witness two solar eclipses as both will be visible throughout the continental U.S. Both occurrences promise to be remarkable events and teachable moments but preparation is essential. Astronomers provide a practical playbook to help teachers, students, and the general public prepare for the eclipse events.
Experiment demonstrates continuously operating optical fiber made of thin air
Researchers at the University of Maryland (UMD) have demonstrated a continuously operating optical fiber made of thin air.
We know that carbon capture from the atmosphere is possible. But how do we get there?
The UN's Intergovernmental Panel on Climate Change has now made its message very clear. Our actions during the next seven years will influence the development of the global climate for the next one thousand. This means that we must make use of all measures available to limit the rise in global temperatures.
New high-speed, two-photon microscope for precise biological imaging
Two-photon microscopy (TPM) has revolutionized the field of biology by enabling researchers to observe complex biological processes in living tissues at high resolution. In contrast to traditional fluorescence microscopy techniques, TPM makes use of low-energy photons to excite fluorescent molecules for observation. This, in turn, makes it possible to penetrate the tissue much more deeply, and...
European company designs a space station with artificial gravity
The International Space Station (ISS) is nearing the end of its service. While NASA and its partners have committed to keeping it in operation until 2030, plans are already in place for successor space stations that will carry on the ISS' legacy.
Australian report: Flood-threatened communities strengthened by their collective insights
The experiences of people affected by the extreme floods in New South Wales and Queensland in 2022 are providing vital insights on preparedness, response and the early stages of recovery to help reduce future flood risk.