Stable electricity grids through grid-forming converters

The Multi-Megawatt Lab at Fraunhofer ISE in Freiburg makes it possible to achieve highly precise characterization of the electrical proper-ties of converters up to a power of 10 MW. Credit: Fraunhofer-Gesellschaft Large power stations with their large synchronous generators provide stability in the power grid, but are being successively powered down in the course of… Continue reading Stable electricity grids through grid-forming converters

Published
Categorized as 3. Tech

The metaverse and its implications for our digital future

Credit: Darden School of Business When the company formerly known as Facebook announced plans in October to change its name to Meta, the company said the move would better reflect its intention to “bring the metaverse to life and help people connect, find communities and grow businesses.” Such a dramatic shift from one of the… Continue reading The metaverse and its implications for our digital future

Published
Categorized as 3. Tech

‘Underwater Wild’ has photos of dazzling marine life

Excerpt and photographs from UNDERWATER WILD by Craig Foster and Ross Frylinck. Copyright © 2018, 2021 by Quivertree Publications. Reprinted by permission of Mariner Books, an imprint of HarperCollins Publishers LLC. All rights reserved. At spring low tides we would wade through the shallows, carefully lifting up rocks to see what lay hidden beneath them.… Continue reading ‘Underwater Wild’ has photos of dazzling marine life

Published
Categorized as 3. Tech

Is it 500,000 or 20,000? How to estimate the size of a political rally properly

Simulation of a crowd density of two people per square metre. Mining magnate Clive Palmer created controversy last week when he claimed on ABC Radio that 500,000 people had attended the COVID “freedom” protest in Melbourne on Saturday November 20. Maverick MP Craig Kelly opted for the marginally more modest “tens of thousands of people… Continue reading Is it 500,000 or 20,000? How to estimate the size of a political rally properly

Published
Categorized as 3. Tech

Record-breaking simulations of large-scale structure formation in the universe

Researchers led by the University of Tsukuba present computer simulations that capture the complex dynamics of elusive neutrinos left over from the Big Bang. Credit: Yoshikowa, et al. Current simulations of cosmic structure formation do not accurately reproduce the properties of ghost-like particles called neutrinos that have been present in the Universe since its beginning.… Continue reading Record-breaking simulations of large-scale structure formation in the universe

Published
Categorized as 3. Tech

A deep learning-based framework to detect phishing websites

Credit: Pixabay/CC0 Public Domain Most of us will have received a scam email that looks like it has come from our bank or an online store or other company or organization. They can look genuine but usually hidden within are malicious links that once clicked take you to a third-party server that either steals login… Continue reading A deep learning-based framework to detect phishing websites

Published
Categorized as 3. Tech

China unveils new rules on ride-hailing drivers’ rights

Beijing has unveiled fresh rules on workers’ rights in the ride-hailing industry—including better pay and breaks—as officials tighten oversight of China’s embattled tech sector and gig economy. The announcement comes on the heels of a wide-ranging regulatory clampdown on homegrown tech behemoths—including e-commerce titan Alibaba and ride-hailing giant Didi Chuxing—over issues including consumer rights, data… Continue reading China unveils new rules on ride-hailing drivers’ rights

Published
Categorized as 3. Tech

As lawmakers mull curbs on social media, Haugen weighing in

Facebook whistleblower Frances Haugen leaves after giving evidence to the joint committee for the Draft Online Safety Bill, as part of British government plans for social media regulation, at the Houses of Parliament, in London, Monday, Oct. 25, 2021. After Haugen revealed Facebook’s failings to curb online hate and extremism and protect young users from… Continue reading As lawmakers mull curbs on social media, Haugen weighing in

Published
Categorized as 3. Tech