Hacker News 100: "Seven Dyson Sphere Candidates …" - Mastodon

Mastodon

Hacker News 100 (@hn100@social.lansky.name)

Seven Dyson Sphere Candidates Link: https://www.centauri-dreams.org/2024/05/18/seven-dyson-sphere-candidates/ Discussion: https://news.ycombinator...

> Seven Dyson Sphere Candidates Link:

Seven Dyson Sphere Candidates | Centauri Dreams

Discussion:

Seven Dyson Sphere Candidates | Hacker News

Computer chip with built-in human brain tissue gets military funding #Computer #Brain #DishBrain

New Atlas

Computer chip with built-in human brain tissue gets military funding

Last year, Monash University scientists created the "DishBrain" – a semi-biological computer chip with some 800,000 human and mouse brain cells l...

> Last year, Monash University scientists created the "DishBrain" – a semi-biological computer chip with some 800,000 human and mouse brain cells lab-grown into its electrodes. Demonstrating something like sentience, it learned to play Pong within five minutes.

Japan's #TEPCO Starts 6th Discharge of Treated Water From #Fukushima Nuclear Power Plant - Reports

Sputnik International

Japan

The operator of Japan

> The operator of Japan's Fukushima nuclear power plant, Tokyo Electric Power Company (TEPCO), started the sixth discharge of treated water into the ocean, a day after China and Russia raised safety concerns over the water's possible nuclear contamination, Japanese media reported on Friday.

YOUR CHILDREN WILL ALL DIE! ‘Hopeless and broken’: why the world’s top climate scientists are in despair

the Guardian

‘Hopeless and broken’: why the world’s top climate scientists are in despair

Exclusive: Survey of hundreds of experts reveals harrowing picture of future, but they warn climate fight must not be abandoned

> Exclusive: Survey of hundreds of experts reveals harrowing picture of future, but they warn climate fight must not be abandoned

Inside the fight to ban — and destroy — #PFAS ‘forever chemicals’

TNW | Deep-Tech

Inside the fight to ban — and destroy — PFAS ‘forever chemicals’

Startups, scientists, and investors want a future free of cancer-causing PFAS. But conglomerates won't go down without a fight.

> Startups, scientists, and investors are want a future free of cancer-causing PFAS. But conglomerates won't go down without a fight.

Femtosecond Lasers Solve Solar Panels' Recycling Issue - IEEE Spectrum

IEEE Spectrum

Femtosecond Lasers Solve Solar Panels' Recycling Issue

Glass welding seals PV panels without requiring troublesome polymers

> Glass welding seals PV panels without requiring troublesome polymers

New sodium battery that can be charged in seconds developed New sodium battery that can be charged in seconds developed

Interesting Engineering

New sodium battery that can be charged in seconds developed

Researchers have developed a high-power hybrid sodium-ion battery that can be charged in seconds, potentially replacing lithium-ion batteries.

> Researchers have developed a high-power hybrid sodium-ion battery that can be charged in seconds, potentially replacing lithium-ion batteries.

‘Water is more valuable than oil’: the corporation cashing in on America’s drought | Environment | The Guardian #Water #Drought #Climate

the Guardian

‘Water is more valuable than oil’: the corporation cashing in on America’s drought

In an unprecedented deal, a private company purchased land in a tiny Arizona town – and sold its water rights to a suburb 200 miles away

> In an unprecedented deal, a private company purchased land in a tiny Arizona town – and sold its water rights to a suburb 200 miles away

#Russia tests new nuclear-capable ballistic missile that can “avoid #NATO detection” as tensions rise in Middle East – NaturalNews.com

NaturalNews.com

Russia tests new nuclear-capable ballistic missile that can “avoid NATO detection” as tensions rise in Middle East – NaturalNews.com

Russia tested a missile last week that some claim could be a new variety of intercontinental ballistic missile (ICBM) with nuclear capabilities tha...

> Russia tested a missile last week that some claim could be a new variety of intercontinental ballistic missile (ICBM) with nuclear capabilities that can evade detection by NATO. The test, which was carried out last Friday, saw the successful launch of the missile in southern Russia at the Kapustin Yar complex. A statement indicated the […]

Elon Musk plans to charge new X users to enable posting | TechCrunch

TechCrunch

Elon Musk plans to charge new X users to enable posting | TechCrunch

Elon Musk is planning to charge new X users a small fee to enable posting on social networks and curb the bot problem.

> Elon Musk is planning to charge new X users a small fee to enable posting on social networks and curb the bot problem.

Rainwater unsafe to drink due to chemicals: study https://phys.org/news/2022-08-rainwater-unsafe-due-chemicals.html > #Rainwater everywhere on the planet is unsafe to drink due to levels of toxic chemicals known as PFAS that exceed the latest guidelines, according to a new study by Stockholm University scientists.

#Mozilla #Firefox #privacy View quoted note →

Chemistry can help make plastics sustainable — but it isn’t the whole solution https://www.nature.com/articles/d41586-021-00391-7 > How to make plastics less harmful is an urgent question in chemistry — and must be for policy, too.

Natural hydrogen: the race to discovery and concept demonstration - GEOSCIENTIST

GEOSCIENTIST

Natural hydrogen: the race to discovery and concept demonstration - GEOSCIENTIST

Natural hydrogen exploration is experiencing rapid growth. Philip J. Ball and Krystian Czado look at progress in understanding this little-understo...

> Natural hydrogen exploration is experiencing rapid growth. Philip J. Ball and Krystian Czado look at progress in understanding this little-understood resource.

Nuclear SMR welding breakthrough: A year's work now takes a day

New Atlas

Nuclear SMR welding breakthrough: A year's work now takes a day

Small Modular Reactor (SMR) construction shifts into high gear, as UK company Sheffield Forgemasters welds a full-size nuclear reactor vessel in un...

> Small Modular Reactor (SMR) construction shifts into high gear, as UK company Sheffield Forgemasters welds a full-size nuclear reactor vessel in under 24 hours instead of the usual 12 months. The rollout of this game-changing tech could be massive.

Geologists signal start of hydrogen energy ‘gold rush’ – The Irish Times

The Irish Times

Geologists signal start of hydrogen energy ‘gold rush’

Natural sources of the gas are more abundant than expected and could supply energy needs for centuries, study shows

> Natural sources of the gas are more abundant than expected and could supply energy needs for centuries, study shows

Chat Control May Finally Be Dead: European Court Rules That Weakening Encryption Is Illegal!

Tuta

Chat Control May Finally Be Dead: European Court Rules That Weakening Encryption Is Illegal! | Tuta

First the EU Parliament, now the court: client-side scanning may not be rolled our after all. A huge win for privacy advocates!

> First the EU Parliament, now the court: client-side scanning may not be rolled our after all. A huge win for privacy advocates!

Estonian CleanTech PowerUP patches the world’s widening electricity gaps with hydrogen fuel cells — Invest in Estonia

Invest in Estonia

Estonian CleanTech PowerUP patches the world’s widening electricity gaps with hydrogen fuel cells — Invest in Estonia

The world’s ageing power grid is at its limits, leaving millions vulnerable to blackouts. Hydrogen fuel is to the rescue, says Estonian CleanTech...

> The world’s ageing power grid is at its limits, leaving millions vulnerable to blackouts. Hydrogen fuel is to the rescue, says Estonian CleanTech innovator PowerUP.

28-ton, 1.2-megawatt tidal kite is now exporting power to the grid

New Atlas

28-ton, 1.2-megawatt tidal kite is now exporting power to the grid

Minesto's fully operational Dragon 12 looks like some sort of futuristic military drone – but it behaves remarkably like a kite underwater. It us...

> Minesto's fully operational Dragon 12 looks like some sort of futuristic military drone – but it behaves remarkably like a kite underwater. It uses lift generated by tidal flows to fly patterns faster than the currents, harvesting renewable energy.

Nitrogen pollution may threaten 1/3 of the world's drinking water supplies by 2050 - Scimex

Nitrogen pollution may threaten 1/3 of the world's drinking water supplies by 2050 - Scimex

> Nitrogen pollution may threaten 1/3 of the world's drinking water supplies by 2050 Nitrogen pollution may threaten a third of the world's natural water reservoirs by 2050, potentially causing severe drinking water scarcity for 3 billion people, according to a computer simulation stu