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showing posts for 'ions'

Simulations suggest Earth's oxygen-rich atmosphere will last only another billion years

A pair of researchers from Toho University and NASA Nexus for Exoplanet System Science has found evidence, via simulation, that Earth will lose its oxygen-rich atmosphere in approximately 1 billion years. In their paper published in the journal Nature Geoscience, Kazumi Ozaki and Christopher Reinhard...
Source: phys.org

How private equity squeezes cash from the dying U.S. coal industry

Private equity firms are proving there’s still plenty of profit in the U.S. coal industry despite a decade of falling demand for the fossil fuel. They are spending billions of dollars buying coal-fired plants on the cheap - and getting paid even when they are not providing...
Source: reuters.com

IEA says global CO2 emissions rising again after nearly 6% fall last year

"Global carbon dioxide emissions dropped by 5.8% in 2020 as the COVID-19 pandemic slowed economic activity, but they rebounded at the end of the year and are on course to rise further, the International Energy Agency said on Tuesday." Whilst economic growth is sought to reduce national deficits following...
Source: reuters.com

Ghana kicks off coronavirus vaccination campaign with COVAX shots

"Ghana began its coronavirus vaccination drive on Tuesday with 600,000 AstraZeneca doses it received from the global COVAX vaccine-sharing facility aimed at providing shots to developing nations to help combat the COVID-19 pandemic." Great to see Ghana in the news and reading about the ITU nurses getting...
Source: reuters.com

Betting on death of petrol cars, Volvo to go all electric by 2030

"Volvo's entire car lineup will be fully electric by 2030, the Chinese-owned company said on Tuesday, joining a growing number of carmakers planning to phase out fossil-fuel engines by the end of this decade." Maybe the transition to all electric cars is going to go faster than it appeared only a few...
Source: reuters.com

The Technology Behind Cinematic Photos

There has been some work by teams at Google looking at analysing images to extract their 3D features. They launched a new feature called 'cinematic photos' and this blog posted by Per Karlsson and Lucy Yu, Software Engineers, of Google Research tries to explain how it works. "Looking at photos from...
Source: googleblog.com

'How many dead bodies?' asked Myanmar protester killed on bloodiest day

Shocking news from Myanmar reported by Reuters. "The day before he was killed, internet network engineer Nyi Nyi Aung Htet Naing had posted on Facebook about the increasingly violent military crackdown on pro-democracy protests in Myanmar." "“#How_Many_Dead_Bodies_UN_Need_To_Take_Action,” he wrote,...
Source: reuters.com

Rocket Report Cornwall

Cornwall says “LOL, no” to space tourism. "If we're being blunt about it ... One council member, John Fitter, was more explicit, saying, 'If we were to entertain this, it would be quite ridiculous and send out the wrong message to those people in Cornwall who could possibly be suffering on below...
Source: arstechnica.com

Why Are COVID-19 Case Numbers Dropping?

"We don’t know. That part is easy. Also easy is that case numbers really are falling — it’s not just reduced testing — and it’s happening pretty much everywhere. Urban areas and rural. Red states and blue. Places with broad vaccine rollouts and those with hardly any. North and South America,...
Source: jwatch.org

Microsoft Teams AI could tell you who is most enjoying your video call

Researchers at Microsoft have developed an AI for the firm's Teams videoconferencing software that highlights positive audience reactions during a virtual presentation
Source: newscientist.com

Fires Raged in the Amazon Again in 2020

"After intense fires in the Amazon captured global attention in 2019, fires again raged throughout the region in 2020. According to an analysis of satellite data from NASA’s Amazon dashboard, the 2020 fire season was actually more severe by some key measures." “Our system identified about 23,000...
Source: nasa.gov

Eeek! or E484K mutation and the coronavirus pandemic

Rupert Beale · Eeek! · LRB 19 February 2021: "Uncontrolled spread – as we knew it would – led to an even greater wave of infections, hospitalisations and deaths than last spring. Children were sent to school for one day before the necessary ‘lockdown’ was reimposed. The impulse to keep schools...
Source: lrb.co.uk

AI uses "ugly duckling" technique to spot melanoma with high accuracy

"Artificial intelligence is starting to combine with smartphone technology in ways that could have profound impacts on the way we monitor health, from tracking blood volume changes in diabetics to detecting concussions by filming the eyes." "Using the technology to spot melanoma in its early stages is...
Source: newatlas.com

Using the right tools for the job

Since this blog has been up I've fiddled with some text analysis stuff by analysing the text and making recommendations for similar blog entries. Did it all in PHP and MySQL just to understand how the algorithms work. Eventually it started to take about 5 hours to: tokenise and stemming the textcalculate...

A Convolutional Neural Network architecture for the recognition of cutaneous manifestations of COVID-19

To our best knowledge, this is the first machine learning-based study for automated detection of COVID-19 based on skin images and may provide a useful decision support tool for physicians to optimize contact-free COVID-19 triage, differential diagnosis of skin lesions and patient care. Mathur J, Chouhan...
Source: nih.gov

Preventing critical failure

Can routinely collected data be repurposed to predict avoidable patient harm? A quantitative descriptive study Objectives To determine whether sharing of routinely collected health service performance data could have predicted a critical safety failure at an Australian maternity service. Design Observational...
Source: bmj.com

Decade-long study shows half of all rivers in the world heavily impacted by humans

A team of researchers from several institutions in France and China has conducted a decade-long study of the degree of human impact on river systems around the world over the past two centuries. In their paper published in the journal Science, the group describes their study and what their findings revealed.
Source: phys.org

Declining Life Expectancy in the United States

This Viewpoint reviews the social and economic drivers of declines in longevity in the US, especially among lower socioeconomic status groups, and proposes policy options for the Biden-Harris administration to mitigate the trend, including an increase in the federally mandated minimum wage. Atheendar...
Source: jamanetwork.com

Clinical Trials Overlook Diseases of Low-Income Countries

Conditions like respiratory infections, tuberculosis, and enteric infections that disproportionately affect low-income countries are consistently understudied in clinical trials, according to a recent study. Bridget M. Kuehn. JAMA.
Source: jamanetwork.com

No, frozen wind turbines aren't the main culprit for Texas' power outages

"Lost wind power makes up only a fraction of the reduction in power generating capacity that has brought outages to millions of Texans across the state during a major winter storm." Plenty of disinformation out there. There have been posts apparently showing a helicopter de-icing a wind turbine but it...
Source: texastribune.org