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Apr 14, 2022

Quantum approximate optimization algorithm can be implemented using Rydberg atoms

Posted by in categories: computing, information science, particle physics, quantum physics

Existing quantum devices can actually do things that we cannot compute with classical computers. The question is only can we harness this computational power that is apparently there,” van Bijnen says. “Maybe doing arbitrary computational problems is a bit much to ask, so we are now looking at whether we can match problems well to available quantum hardware.” Many current experiments involving Rydberg atoms would likely not require any radical changes in instrumentation that is already being used, he adds.

Apr 14, 2022

Hubble Uncovers Bizarre, Evolutionary Missing Link From the Dawn of the Universe

Posted by in category: cosmology

Bizarre, Evolutionary Missing Link Uncovered in Hubble Deep Survey of Galaxies The universe is so saturated with galaxies that even the weirdest things can go unnoticed for years after Hubble Space Telescope “deep-exposure” observations are taken. In sort of an intergalactic Where’s Waldo, an international team of astronomers uncovered in Hubble archival data a mysterious red dot nearly in the middle of the Great Observatories Origins Deep Survey-North (GOODS-North). As innocuous as it looks, it could be a rare missing link between some of the very earliest galaxies and the birth of supermassive black holes. The object, referred to as GNz7q, existed when the universe was just a toddler, only 750 million years after the big bang. The mixture of radiation from the object cannot be attributed to star formation alone. The best explanation is that it is a growing black hole shrouded in dust. Given time, the black hole will emerge from its dusty cocoon as a brilliant quasar, an intense beacon of light at the heart of an early galaxy. The pioneering Hubble telescope has provided a unique target for NASA ’s James Webb Space Telescope to use its spectroscopic instruments to study objects like GNz7q in unprecedented detail.

Apr 14, 2022

High-efficiency modules and large formats with higher market share

Posted by in category: futurism

High-efficiency modules and large module formats achieve higher market share and larger wafers are established, the 13th edition of the International Technology Roadmap for Photovoltaic (ITRPV) states.

Apr 14, 2022

US start-up develops polymer-based batteries for stationary storage

Posted by in categories: chemistry, energy

“Our batteries are designed to suit the needs of stationary power applications where safety, lifetime, levelized costs, and environmental footprints are key decision drivers,” the company said in a statement. “PolyJoule’s conductive polymer cells span the performance curve between traditional lead-acid batteries and modern lithium-ion cells, while enhancing service life and reducing balance of plant costs, due to their no-HVAC thermal management design.”

According to the manufacturer, the battery cells were tested to perform for 12,000 cycles at 100% depth of discharge. The device is based on a standard, two-electrode electrochemical cell containing the conductive polymers, a carbon-graphene hybrid, and a non-flammable liquid electrolyte. Alternating anodes and cathodes are interwoven and then connected in parallel to form a cell.

Apr 14, 2022

Elon Musk offers to buy Twitter outright for $41 billion

Posted by in category: Elon Musk

Billionaire and avid platform user Elon Musk has made an offer to purchase 100% of the shares for the social media giant.

Apr 14, 2022

Robot surveys radioactive duct at Dounreay power station in Caithness

Posted by in category: robotics/AI

The operators of Dounreay expect to use more robots in areas inaccessible or unsafe for humans.

Apr 14, 2022

NASA scientists spy ‘largest comet ever seen’

Posted by in category: space

It’s 85 miles wide, which is larger than the US state of Rhode Island. And it’s coming this way.

Apr 14, 2022

US military confirms an interstellar meteor collided with Earth

Posted by in categories: military, space travel

A meteor crashed into the Pacific Ocean in 2014, but it wasn’t until Harvard scientists researched its velocity and trajectory five years later that they learned it came from outside our solar system.

Apr 14, 2022

Android overheating issues are widespread and likely to get worse

Posted by in category: mobile phones

Overheating issues in Android phones are becoming more common, and likely to get worse, as a result of the underlying processor designs.

Apr 14, 2022

Smell significantly enhances sense of realism in virtual reality, researchers find

Posted by in category: virtual reality

You walk along a dark winding path deep in a forest. There is a swamp you must wade through. You spot an old wooden shack and walk to it past a smoldering fire. Its broken shutters and verandah sag under vines and neglect.