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The Download: threats from space mirrors and credit for AI drugs

MIT Technology Review

Plus: The data center backlash is scrambling the midterm elections. This company's plans to deploy space mirrors could jeopardize the night sky for many A company that plans to beam sunlight from space to Earth on demand might unintentionally brighten the night sky for many more people than intended, according to a new study. Later this year, Reflect Orbital plans to launch a test satellite that will extend an 18-by-18-meter mirror in orbit. The goal is to eventually launch up to 50,000 larger satellites that can reflect sunlight to Earth on demand. Reflect Orbital says the technology could extend sunlight for solar panel charging, emergency response, and military activities. But new research suggests the giant beams could shine as bright as 10,000 full moons and scatter light over tens of kilometers, raising concerns about dark skies, aviation, and wildlife.


Avoiding These 3 Things in Midlife Is Linked to 13 More Dementia-Free Years

TIME - Tech

Follow this section to personalize your feed and get instant alerts. Follow Go to your personalized feed WHY FOLLOW? Smart Alerts: Get notified about major news as it happens. Follow this tag to personalize your feed and get instant alerts. Follow Go to your personalized feed WHY FOLLOW? Smart Alerts: Get notified about major news as it happens.


How to sparkle in conversation with strangers

New Scientist

In the face of loneliness, many people are turning to AI chatbots for companionship - but research shows it can't replace human connection. Guaranteed compassion, encouragement and validation? A soothing voice available to massage your ego whenever you feel unsure of yourself? If you could find a living being with these qualities, you'd call them your soulmate, and yet it is exactly what many chatbots are offering an increasing number of users. But can those exchanges with AI ever achieve the benefits of real, human connection?


This Indigenous Language Survived Russian Occupation. Can It Survive YouTube?

WIRED

This Indigenous Language Survived Russian Occupation. YouTube's search and recommendation algorithms are driving children to Russian-language content even when they seek out videos in Kyrgyz, creating a cultural shift that concerns some parents. When anthropology researcher Ashley McDermott was doing fieldwork in Kyrgyzstan a few years ago, she says many people voiced the same concern: Children were losing touch with their indigenous language. The Central Asian country of 7 million people was under Russian control for a century until 1991, but Kyrgyz (pronounced kur-giz) survived and remains widely spoken among adults. McDermott, a doctoral student at the University of Michigan, says she also heard that some kids in rural villages where Kyrgyz dominated had spontaneously learned to speak Russian.


Ace the Ping-Pong Robot Can Whup Your Ass

WIRED

Ace can read the trajectory of a ball, adjust the racket angle, and respond with strokes that keep the exchange alive with real players. Ace has won three out of five games played under official rules. Ace is a robot that aims high: It wants to become the world champion of table tennis . It was developed by Sony AI researchers who, in a new study published in Nature, have shown how this robot, equipped with artificial intelligence, has faced some high-level athletes, holding its own in matches played according to the official rules of table tennis. This feat represents a milestone for the world of robotics, a field that has long regarded this sport, among the most technical in the world, as one of the most difficult tests of technological advances.


Play with your dog. It's good for both of you.

Popular Science

Hide-and-seek, peekaboo, and more can strengthen emotional bonds. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Tug-of-war is the type of play that can go a long way. Breakthroughs, discoveries, and DIY tips sent six days a week. Take this as your signal to go play with your dog .


Your pet dog really does have wolf genes

Popular Science

Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. Breakthroughs, discoveries, and DIY tips sent every weekday. While that chihuahua might seem about as similar to a wolf as a shrub is to a mighty redwood tree, some small breeds like the tiny, big-eared chihuahua have some wolf ancestry. New research published today in the journal (), finds that the majority of dogs living today have low but detectable levels of post-domestication wolf ancestry. These genes have likely helped shape multiple characteristics, including personality traits, sense of smell, and body size.



Ernest Shackleton knew 'Endurance' had shortcomings, new study says

Popular Science

Ernest Shackleton knew'Endurance' had shortcomings, new study says Issues with the ship's hull, deck beams, and more show the ship was no match for Antarctic sea ice. The'Endurance' leaning to one side, during the Imperial Trans-Antarctic Expedition, 1914-17, led by Sir Ernest Shackleton. Breakthroughs, discoveries, and DIY tips sent every weekday. For almost 110 years, the has rested at the bottom of the icy waters of the Antarctic's Weddell Sea . Long held as the poster ship for Antarctic exploration, Sir Ernest Shackleton's ill-fated ship was no match for the crushing sea ice that sank it in November 1915 .


Even old brains can make new neurons, study suggests

Popular Science

Breakthroughs, discoveries, and DIY tips sent every weekday. Your body is constantly generating new cells. In your digestive tract, the colon's lining turns over every five to seven days. Your red blood cells replace themselves every few weeks, skin cells about once a month. But certain organs are a big exception.