Producing power from the wind and sun isn't as simple as just swapping a wind turbine for a coal-fired power plant. Every source of power we use has to work with our electrical grid, an old, imperfect, complex system that wasn't put together with the needs of renewables in mind. For instance, because renewable generation is intermittent generation, using it goes hand-in-hand with ramping production from traditional generation up and down. When you don't have enough wind, you turn up the gas-fire generators. That kind of treatment can put stress on machinery and rack up costs in maintenance and repairs. But new research from the National Renewable Energy Laboratory suggests that, at least in monetary terms, those costs are dwarfed by the cost savings you get from using more wind and solar power and, thus, not having to pay for fuel sources.
In 1977, NASA launched two spacecraft, Voyager 1 and 2, on a grand tour of the solar system and into the mysteries of interstellar space. Famously attached to each of these probes is the Voyager Golden Record containing a message for any extraterrestrial intelligence that might encounter it, perhaps billions of years from now. Voyager […]
"Improving Automobile Safety by Removing Blind Spots" is 14 year old Alaina Gassler's prizewinning science-fair project, which uses cameras mounted to the exterior of the car and feeding their video to internal projectors, which projection-map them onto the a-pillars that otherwise obscure the driver's view.
Brett Tingley writes about 70 years’ research into anti-gravity and similar fields of science fiction, an effort to harness nature’s weakest force to military needs. It’s gone nowhere, obviously—or has it? keep in mind that all of this information comes from unclassified sources, and there is definitely more of it than just what is represented […]
Got some aches that a lazy rubdown won’t put a dent in? Give your muscles an early Christmas with these massage guns. If you’ve never tried one, they’re all designed to bring deep tissue relief, and they’re all at Black Friday prices now. JAWKU Muscle Blaster V2 Cordless Percussion Massage Gun This cordless massager exerts […]
Just about everybody from small-time app developers to big database administrators loves Linux. But just because it’s open-source doesn’t mean its secrets are open to everybody. For that, you need a comprehensive training program like the Complete Linux System Administrator Bundle. If you’re chasing any kind of career in coding, this is the online regimen […]
If you want to be an app developer for Android, there’s never been a better time. Languages like Kotlin are tailor-made for functionality, and the Jetpack suite of tools makes the whole process easier. The only hurdle is learning your way around these tools, and that’s where the Android Jetpack & App Development Certification Bundle […]