Then again, even intelligent aliens might be too busy or too shy to send messages to the stars. So SETI researchers also hope to detect passive signs of technology. People’s ideas about what to look for often reflect their time: Consider the 19th century “discovery” of canals on Mars when canals were still a common form of transport on Earth. In 1960, amid rapid economic growth and concerns about energy shortages, physicist Freeman Dyson imagined an advanced society might build a megastructure surrounding a star to capture its energy. Such “Dyson spheres” continue to fascinate and were suggested as an explanation for the strange dimmings of the star KIC 8462852, known as Tabby’s Star. In 2015, Jason Wright led a search for the glow of Dyson spheres in 100,000 nearby galaxies, using data from NASA’s Wide-field Infrared Survey Explorer satellite. … [Read more...] about How big money is powering a massive hunt for alien intelligence
Use solar power
Related CoverageSummit supercomputer to advance research on wind power for renewable energyApple is investing in two of the world's largest wind turbines to power its new data centerFacebook is recycling heat from its data centers to warm up these homesTelstra is carbon neutral but found it hard to purchase Australian offsetsUN reports global e-waste production soared beyond 53 million tonnes in 2019 … [Read more...] about Google commits to run using carbon-free energy by 2030
All these things are things that people can understand. Climate change is kind of an esoteric issue, and when you're worried about whether you can stay in your home, whether you're going to be able to pay your mortgage, whether your kids are going to get an education, or that you're safe, talking about climate change is a lot harder to engage. But when you talk about health, people get that. And they want healthy, clean air to breathe, they want clean water. Those are things that really matter on an absolute basis. … [Read more...] about Former EPA head talks clean power, nuclear, and Bush’s climate reversal
Ring Video Doorbell 2nd Gen vs 1st Gen Same great price, greater capability Source: Ring The Ring Video Doorbell (2nd Gen) is an affordable way to get a big upgrade without breaking the bank. It'll still work with your entire smart home setup, including your Amazon Echo and Alexa routines. Despite the low price, you'll be getting much higher resolution video, better night vision, improved two-way audio for talking to folks at the door, and even enhanced motion detection and privacy features over the first-gen product. … [Read more...] about Ring Video Doorbell (2nd Gen) vs. Ring Video Doorbell (1st Gen): What’s the difference and should you upgrade?
California has already approved construction of a high-speed rail line that would connect San Francisco and Los Angeles — a journey lasting about 2 hours and 40 minutes. That multi-billion dollar project could make it tough for Musk to find public funding for his project. … [Read more...] about Faster than a Plane or Train: ‘Hyperloop’ Transportation