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Category: habitats – Page 112

You’ll soon be able to get a 3D printed model of your brain

https://www.engadget.com/…/3D-printed-brain-medical-imagin…/

There are almost limitless possibilities when it comes to 3D printing. Design your own color-changing jewelry? Fine. Fabricate your own drugs? No problem. Print an entire house in under 24 hours? Sure! Now, researchers have come up with a fast and easy way to print palm-sized models of individual human brains, presumably in a bid to advance scientific endeavours, but also because, well, that’s pretty neat.

In theory, creating a 3D printout of a human brain has been done before, using data from MRI and CT scans. But as MIT graduate Steven Keating found when he wanted to examine his own brain following his surgery to remove a baseball-sized tumour, it’s a slow, cumbersome process that doesn’t reveal any important areas of interest.

MRI and CT scans produce images with so much detail that objects of interest need to be isolated from surrounding tissue and converted into surface meshes in order to be printed. This involves a radiologist manually tracing the desired object onto every single image “slice” of the brain, or it can be done via automatic thresholding, where a computer converts areas that contain grayscale pixels into either solid black or solid white pixels, based on a shade of gray that is chosen to be the threshold between black and white. But since medical imaging data often contains irregularly-shaped objects and lacks clear borders, features of interest are usually over- or under-exaggerated, and details are washed out.

China invites international researchers to do science on its future space station

By the end of 2022, China hopes to have its biggest space station yet orbiting around Earth, and the country’s space agency wants other nations to use it. China is inviting all members of the United Nations to submit applications to fly experiments on board the future habitat, dubbed the China Space Station. It’s a major step toward international cooperation for China and its space program, which has mostly relied on domestic hardware and capabilities in the past.

“The China Space Station belongs not only to China, but also to the world,” Shi Zhongjun, China’s ambassador to the UN, said in a statement about the initiative. As a guide for the decision, Zhongjun cited the 50-year-old Outer Space Treaty, which maintains that the exploration of space should be peaceful and benefit all countries.

Loss of marine habitats is threatening the global fishing industry – new research

Seafood consumption is both a love and a necessity for hundreds of millions of people worldwide. And its supply is a key part of maintaining food security for the whole planet. But during a time of rapid population growth and increasing demand, stocks of wild fish and invertebrates (such as mussels and prawns) are declining.

The problem is that policies and plans designed to make sure there are enough fish and invertebrates almost exclusively target fishing activity. But we also need to protect the critical habitats that are essential for the sustainability of these stocks and fisheries.

Most species that are fished require more than a single to live and thrive. Atlantic cod (Gadus morhua), for example, spends its adult life shoaling in deep water where it lives, feeds and spawns. But juveniles require more stable habitat such as . So, if we want to manage fish and invertebrate stocks for sustainability reasons, it is essential to protect the supporting habitats of targeted species.

A floating Pacific island is in the works with its own government, cryptocurrency and 300 houses

Nathalie Mezza-Garcia is a political scientist turned “seavangelesse” — her term for an evangelist in favor of living off the grid — and on the ocean.

Mezza-Garcia spoke with CNBC’s Matthew Taylor about what she sees as the trouble with governments, and why she believes tech startups should head to Tahiti.

This seavangelesse is a researcher for the Blue Frontiers and Seasteading Institute’s highly-anticipated Floating Island Project.

Florida man tests world’s first fully mind-controlled artificial arm

He now officially owns them! #CyborgsRule

Port Richey, Fla. (WOFL FOX 35) — Johnny Metheny sits at an electric piano in his Port Richey home self-teaching himself the song Amazing Grace. Johnny’s never played before, but he’s determined to master the song. He plays through fairly well with his right hand.

“That side I got down pretty good,” said Metheny.

Then he raises his left hand to the keyboard, the hand he’s only known for a few short months, and that he never thought he’d be raising. The world’s first fully mind controlled artificial arm.

Is bigger really better?

The United States is facing a housing crisis: Affordable housing is inadequate, while luxury homes abound. Homelessness remains a persistent problem in many areas of the country.

Despite this, popular culture has often focused on as an opportunity for upward mobility: the American Dream wrapped within four walls and a roof. The housing industry has contributed to this belief as it has promoted ideals of “living better.” Happiness is marketed as living with both more space and more amenities.

As an architect and scholar who examines how we shape buildings and how they shape us, I’ve examined the trend toward “more is better” in housing. Opulent housing is promoted as a reward for hard work and diligence, turning housing from a basic necessity into an aspirational product.

It’s Not Just Hawaii: The U.S. Has 169 Volcanoes That Could Erupt

There are potentially active volcanoes all over the West and Alaska as well as Hawaii, and about 50 are considered high priorities for monitoring. Here is where to find them.

A plume of volcanic ash rose above the island of Hawaii on May 4. The long-running eruption of the Kilauea volcano, one of the most active in the United States, has destroyed houses and forced evacuations. Credit U.S. Geological Survey, via Associated Press.

Sun protection without blinds

Summer. Blue sky. Sunshine. But you don’t notice much of it in the office or in your home, because the blinds block the view so that the heat stays outside. This scenario could soon be a thing of the past: EPFL researchers are working with Empa on a window glass that keeps out the heat in summer and at the same time allows a clear view of the outside world.

Depending on the season, windows must have a different function in order to provide sufficient comfort in offices and apartments. In summer they should keep heat away and prevent glare from the sun. In winter they should distribute the little light optimally in the room. A team led by Andreas Schüler from the Laboratory for Solar Energy and Building Physics at EPFL has recently developed a that meets all these criteria. In cooperation with Empa researchers led by Patrik Hoffmann from the Laboratory for Advanced Materials Processing in Thun, work is currently underway on their manufacture—which could soon make sun blinds redundant. Seasonal window glass reduces summer overheating and glare in buildings and ensures high and daylight input in winter. All this without impairing the view outwards through dimming or blinds.

Jing Gong, a Ph.D. student at EPFL, used Empa’s highly complex laser system in Thun to produce a so-called master form with a microstructured surface with the precision laser. Micro mirrors are then evaporated into these micro-grooves and encapsulated in a polymer film. This film can then be easily inserted into a conventional double-glazed window. The arrangement of so-called “Compound Parabolic Concentrator” (CPC) lenses is used to optimally reflect sunlight with low restrictions in visibility. While the first prototypes have been developed in the laboratory, the researchers are already working on up-scaling. In a pilot project in cooperation with BASF Switzerland, the team is working on a manufacturing process that should make it possible to produce the window glass coating consisting of millions of micro mirrors with high precision, quickly and cost-effectively. This poses a major challenge due to the very high optical quality requirements.

California to require solar panels on most new homes

There’s no question that solar power is entering the mainstream, but California is about to give it a giant boost. The state’s Energy Commission is expected to approve new energy standards that would require solar panels on the roofs of nearly all new homes, condos and apartment buildings from 2020 onward. There will be exemptions for homes that either can’t fit solar panels or would be blocked by taller buildings or trees, but you’ll otherwise have to go green if your property is brand new.

The plan doesn’t require that a home reach net-zero status (where the solar power completely offsets the energy consumed in a year). However, it does provide “compliance credits” for homebuilders who install storage batteries like Tesla’s Powerwall, letting them build smaller panel arrays knowing that excess energy will be available to use off-hours.

The new standards are poised to hike construction costs by $25,000 to $30,000 (about half of which is directly due to solar), but the self-produced energy is estimated to save owners $50,000 to $60,000 in operating costs over the solar technology’s expected 25-year lifespan.