New photodiode with extremely low excess noise for optical communication and long range LIDAR
Optical pulses, which appear as a flash of light, are used to transmit information in high speed optical fibers, and are increasingly used in Light Detection And Ranging (LIDAR) for 3-dimensional imaging. Both of these applications demand light senso.....»»
Hummingbirds thrive on an extreme lifestyle. Here’s how.
Nightly suspended animation, sugary diet, backwards flight, and long migrations help. Enlarge / Hummingbirds—like this golden-tailed sapphire from South America—draw the eye with their bright colors and busy, hovering flight......»»
Cretaceous fireflies reveal early evolution of insect bioluminescence
Bioluminescence, the ability of living organisms to emit light, is a fascinating phenomenon observed in various life forms, including deep-sea fish, glowing mushrooms, and fireflies. Fireflies have long captivated people with their enchanting light d.....»»
Small accounts, big decisions: How multiple savings impact retirement payout choices
New study shows that retirees are more likely to cash out smaller retirement accounts instead of turning them into steady income streams, even though they might do the opposite with larger accounts. This choice can hurt their long-term financial secu.....»»
Robotic moving "crew" preps for work on moon
As NASA moves forward with efforts to establish a long-term presence on the moon as part of the Artemis campaign, safely moving cargo from landers to the lunar surface is a crucial capability......»»
Frozen in time: Rock fossils hint at Mars"s ancient climate
Long ago, flowing wind and water shaped Mars's malleable sand and sediment into dunes, ripples and other landscape patterns, called bedforms. Over billions of years, some of these landforms hardened into rock—scientists then call them paleo-bedform.....»»
Vintage museum collection and modern research intersect in century-long bee study
At a tranquil nature reserve in South Michigan, an Agricultural Research Service (ARS) scientist and her collaborators connected olden wild bee sample collections and modern technology to better decode the ecological traits and habits of pollinators,.....»»
Advancing synthetic Ephedra-type alkaloids with a two-step enzymatic approach
Ephedra-type alkaloids, a class of naturally occurring compounds derived from plants in the genus Ephedra, have long held interest in the pharmaceutical industry due to their stimulant and airway widening effects. These alkaloids are used for the tre.....»»
Assassin’s Creed Shadows delayed after poor Star Wars Outlaws reception
It will now launch the same year as another, maybe better, open-world samurai game. Enlarge / The dual protagonists of Assassin's Creed Shadows. (credit: Ubisoft) Assassin's Creed Shadows, the long-anticipated next major.....»»
Ice cores show pollution"s impact on Arctic atmosphere
A Dartmouth-led study on ice cores from Alaska and Greenland found that air pollution from the burning of fossil fuels reaches the remote Arctic in amounts large enough to alter its fundamental atmospheric chemistry. The findings illustrate the long.....»»
What are "rent tech" platforms? Action on reining in these exploitative tools is long overdue
This week the New South Wales government announced it would introduce legislation that ensures renters are offered convenient, fee-free options to pay their rent......»»
LG’s flexible OLED TV might be worth your money now that it’s $500 off
The 42-inch LG OLED Flex TV is an extremely cool TV, but it's pretty expensive. That's why you shouldn't miss this opportunity at a $500 discount from Best Buy......»»
Murine study suggests cosmic radiation in outer space may affect long-term cognition
During missions into outer space, galactic cosmic radiation (GCR) will penetrate current spacecraft shielding and thus pose a significant risk to human health......»»
10 best Doctor Who episodes ever, ranked
We're celebrating the new season of the long-running sci-fi hit by looking back at the 10 best Doctor Who episodes ever!.....»»
Can the "hard steps" in the evolutionary history of human intelligence be recast with geological thresholds?
What took so long for humans to appear on Earth? The Earth is 4.6 billion years old, and life began about 4 billion years ago, yet humans—the only intelligent, technological species we know of in the universe—have existed only for the last 200,0.....»»
Afar mantle plume study offers new insight into deep Earth processes
Sophisticated analysis of tiny bubbles of ancient gas trapped in volcanic rocks, combined with new geophysical modeling, has cast new light on long-held assumptions about the deep Earth......»»
New insights into hot carrier solar cells: Study explores hot electron tunneling and collection to enhance efficiency
Hot carrier solar cells, a concept introduced several decades ago, have long been seen as a potential breakthrough in solar energy technology. These cells could surpass the Shockley–Queisser efficiency limit, which is a theoretical maximum efficien.....»»
"Writing" with atoms could transform materials fabrication for quantum devices
A new technology to continuously place individual atoms exactly where they are needed could lead to new materials for devices that address critical needs for the field of quantum computing and communication that cannot be produced by conventional mea.....»»
Apple TV app adds separate Watchlist in iOS 18.1 beta
Apple appears to be working on a significant change on how users can organize their watch queue in the Apple TV app. In iOS 18.1 the long-standing Up Next queue has been renamed to ‘Continue Watching’, and a new separate Watchlist section can be.....»»
3 underrated movies you need to watch in October 2024
From a long-delayed adaptation of a classic Stephen King novel to a comedic origin story about SNL, these three September 2024 movies deserve to be watched......»»
Hybrid RV with a solar roof can power your home in an emergency
The hybrid powertrain has a range of 500 miles. Enlarge / This is Thor and Harbinger's test bed for a new Class A hybrid RV. (credit: Thor) Electrification is moving through different parts of the automotive industry at.....»»