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Squeeze enough stuff into one spot, space-time itself will pucker up in a sweet cosmic kiss known as a black hole.

As far as Einstein’s sums are concerned, that ‘stuff’ includes the massless glow of electromagnetic radiation. Given E = mc2, which describes the equivalence between mass and energy, the energy of light itself should – in theory – be capable of creating a black hole if enough of it is concentrated in one spot.

Before you crack out the big-gun lasers and punch some holes into the Universe’s floorboards, there’s one thing researchers from the Complutense University of Madrid in Spain and the University of Waterloo in Canada want you to know.

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Scientists at Kyoto University Hospital will conduct the first human trial of the drug from September 2024 to August 2025. In tests on ferrets and mice, the drug worked with no notable side effects, Popular Mechanics reported.

The drug will be used on 30 men between 30–64 who are missing at least one molar. From there, researchers will expand the study to those with partial edentulism, or those missing one to five permanent teeth.

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Centenarians have become the fastest-growing demographic group in the world, with numbers approximately doubling every 10 years since the 1970s.

Many researchers have sought out the factors and contributors that determine a long and healthy life. The dissolution isn’t new either, with Plato and Aristotle writing about the ageing process over 2,300 years ago.

Understanding what is behind living a longer life involves unravelling the complex interplay of genetic predisposition and lifestyle factors and how they interact.

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face_with_colon_three year 2021.

The solar aircraft is made by a Spanish-American aerospace startup called Skydweller Aero. Based in Oklahoma City, the company raised $32 million in its Series A funding round, led by Italian aerospace firm Leonardo.

“For us, if you’re flying 90 days with one aircraft, that’s two takeoffs and landings versus … hundreds,” Skydweller Aero co-founder John Parkes told Aviation Today. “Being able to fly thousands of miles, persist over an area for 30–60 days and fly back is a differentiator. It’s a huge cost savings to the US government when you look at the whole cost of doing a lot of the national security missions that we have.”

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Sebastian P. Kish1,2, Patrick J. Gleeson2, Angus Walsh2, Ping Koy Lam3,2, and Syed M. Assad3,2

1Data61, CSIRO, Marsfield, NSW, Australia. 2 Centre of Excellence for Quantum Computation and Communication Technology, Department of Quantum Science and Technology, Research School of Physics, The Australian National University, Canberra, ACT, Australia. 3 Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore, 138,634, Singapore.

Get full text pdfRead on arXiv VanityComment on Fermat’s library.

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Earth’s H2O is 97 percent seawater, and most of the remaining 3 percent is inaccessible, frozen in glaciers or permafrost. Only a small portion, about half of a percent, exists as freshwater in aquifers and rivers that humans can tap into. A process called, however, allows us to dip into the oceans to satisfy our thirst.

Desal has been around for decades and is used to make both seawater and salty groundwater drinkable. But scientists think that it will become increasingly important in a warmer, drier future. In a recent UN-led review, researchers stated that “‘conventional’ sources of water such as rainfall, snowmelt and river runoff captured in lakes, rivers, and aquifers are no longer sufficient to meet human demands in water-scarce areas.”

During a media roundtable at the 2019 American Geophysical Union conference, Peter Fiske, director of the Water-Energy Resilience Research Institute at Lawrence Berkeley National Laboratory, discussed why we might need to more strongly consider this technology—at times written off for its high costs and energy use—to stabilize water supplies in the future. Here’s what you need to know.

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Discussion with Jeff Krehmer about his book Infinite Resources: How to sustainably develop the arctic, by supplying green hydrogen, fresh water and healthy food to the world, while mitigating the negative effects of anthropocentric climate change.

Links related to Infinite Resources:
The book Infinite Resources:
https://www.amazon.com/Infinite-Resou?tag=lifeboatfound-20…

Moon-shots program incubator:
https://foresightcac.com/earthtech205…

Engage Jeff Krehmer:

Continue reading “Infinite Resources: Develop the arctic, green hydrogen, fresh water and healthy food for the world” | >

In late 2019, the previously unremarkable galaxy SDSS1335+0728 unexpectedly brightened, prompting astronomers to investigate the cause using data from various observatories, including the European Southern Observatory’s Very Large Telescope (ESO’s VLT).

The study, recently published in the journal Astronomy & Astrophysics, suggests an unprecedented event: the sudden awakening of the massive black hole at the galaxy’s core.

“Imagine you’ve been observing a distant galaxy for years, and it always seemed calm and inactive,” said Paula Sánchez Sáez, an astronomer at ESO.

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