Hundreds of corporate Amazon workers upset about the company’s environmental impact, recent layoffs and a return-to-office mandate protested at its Seattle headquarters

In 2021, the UK set out a bold ambition to become a ‘global leader on hydrogen’ by 2030.

Olive Garden makes good on its promise of unlimited breadsticks, but the deal does come with some unpublicized caveats.

The US is preparing to curtail Chinese companies’ access to cloud computing services including Amazon.com Inc.’s and Microsoft

DURHAM, N.C.--(BUSINESS WIRE)--Aug 22, 2023--

An overview of the media in Rwanda, including links to broadcasters and newspapers.

Many of us look to the stars for answers to life’s most complex questions. But actually, some of the greatest mysteries lie beneath our very feet. One might think we’d know the Earth pretty well by now but, in fact, our planet’s core remains shrouded in enigma. Indeed, there are two gigantic blobs located beneath Africa and the Pacific Ocean that occupy around six per cent of the world’s entire volume. And yet, we’re still not entirely sure what they’re made of or where they came from. There are a number of hypotheses, including that they are piles of oceanic crust that have accumulated over billions of years. Sign up for our free Indy100 weekly newsletter But a more interesting theory is that they are huge chunks of an ancient planet that hit the Earth around 4.5 billion years ago. To give an indication of just how massive these things are, the structure under Africa – an area known as Tuzo – is thought to be around 800km (497 miles) tall – the equivalent of some 90 Mount Everests stacked on top of one another, as IFLScience notes. The problem with determining the origin of these monster formations is that there are no direct ways of observing the Earth’s core. The deepest hole humans have ever dug – branded the "entrance to hell" – reached a pretty staggering 12,263m (40,230ft), but that doesn’t even come close to breaking through the crust to the layers beneath. Our most effective tool for analysing what lies beneath the ground is a technique called seismic tomography, which looks at how waves of energy travel when earthquakes occur. Since rocks and liquids have different densities, the waves move through them at different speeds. By measuring the tremors from different points on the surface, geologists can determine what kind of material the waves are travelling through and, in so doing, map out the Earth’s interior. It was by using this technique that the two unusual structures – known as large low shear velocity provinces (LLSVPs) – were found. Waves travel more slowly in these areas – fondly known as “blobs” – than through the surrounding lower mantle, indicating that they’re made of something different. We can’t tell what this material is based on seismic tomography data alone, but some scientists like to believe that they are the remnants of an ancient planet called Theia – an idea known as the “giant impact hypothesis”. According to this hypothesis, around 4.5 billion years ago, a Mars-sized object collided with the Earth. This impact not only created the planet we call home today, but also threw off enough rock to form the moon that lights up our night skies. Some scientists suggest that some of Theia’s leftovers also sunk to the bottom of the planet, probably settling somewhere above the core – thereby forming at least one of the two LLSVPs. More Updates About Strange Blob Structures Inside Planet Earth youtu.be Experts have been investigating the area for decades but there’s still no way of knowing for sure just what these two giant blobs are. Still, studies into Theia have offered important insights into how the possible collision might have kickstarted key plate tectonic and mantle motion inside our planet – crucial processes for establishing the world on which we live. It’s also a useful reminder that we still have so much to learn about our planet and where we came from. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

BEAVERTON, Ore.--(BUSINESS WIRE)--Sep 21, 2023--

A new experiment demonstrates that commercial solar farms in space could one day be possible, according to the researchers behind it. Scientists from the UK say that a satellite launched into space to test the opportunities to gather sunlight for power has shown more success than expected. The experiment showed that it was possible to make lightweight solar panels at low cost that would be able to work in space, researchers said. They sent one of those units into space and examined how it worked over a period of six years and 30,000 orbits. It was able to withstand the solar radiation and other damage of space, they said, and continue generating power. “We are very pleased that a mission designed to last one year is still working after six. These detailed data show the panels have resisted radiation and their thin-film structure has not deteriorated in the harsh thermal and vacuum conditions of space,” said Craig Underwood from the University of Surrey, “This ultra-low mass solar cell technology could lead to large, low-cost solar power stations deployed in space, bringing clean energy back to Earth – and now we have the first evidence that the technology works reliably in orbit.” The panels were made at the University of Swansea, and used a new kind of solar cell made out of cadmium telluride. That material allows for larger panels at lighter weights, which provide more power and are relatively cheap. Colleagues at the University of Surrey then built those panels into a satellite that could be delivered to space, as well as the technology to measure how they continued to perform once they were in orbit. Those measurements showed that the panels gradually became less efficient, but researchers say they nonetheless showed that the panels could eventually be commercially viable. Solar farms in space would overcome many of the problems with existing renewable infrastructure on Earth. The solar farms could allow for more space on the ground, but more notably would be able to avoid issues caused by weather and benefit from more intense sunlight than there is on the surface. Making units that are able to withstand the difficulties of space is just one of a number of challenges for solar farms in space. There would also need to be a way to get the energy back down to us, for instance – though this summer researchers were able to successfully beam power down to Earth using microwaves. A study describing the findings, ‘IAC-22-C3.3.8 Six years of spaceflight results from the AlSat-1N Thin-Film Solar Cell (TFSC) experiment’, is published in the journal Acta Astronautica. Read More Scientists receive powerful ‘radio burst’ that travelled billions of years Apple announces surprise event: ‘Scary fast’ ChatGPT and other chatbots ‘can be tricked into making code for cyber attacks’

(This Oct. 17 story has been corrected to fix the delivery figure in paragraph 4) By Arriana McLymore (Reuters) -

Players would like to know pre-load times for Song of Nunu: A League of Legends, but the developers haven't released specific times.

Hon Hai Precision Industry Co. reported its third consecutive quarterly profit miss, after Apple Inc.’s main assembler succumbed