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Category: energy – Page 111

Piasecki Aircraft Corp. (PIAC) and edm aerotec have signed an agreement to develop the world’s first hydrogen-powered helicopter. Based in Pennsylvania, PIAC has a long history of designing experimental aircraft for civil and military applications.

CEO John Piasecki told a recent symposium at the Vertical Flight Society that his company would be performing the world’s first human-carrying flight tests aboard edm aerotec’s CoAX-2D helicopter. The hydrogen-powered CoAX-2D would use an 80-kW HyPoint high-temperature proton-exchange membrane (HTPEM) fuel cell, according to EVTOL.news.

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Replacing fossil fuel with hydrogen seems like an ideal solution to make transportation environmentally friendly and to provide a backup for intermittent energy sources like solar and wind. But how environmentally friendly is hydrogen really? And how sustainable is it, given that hydrogen fuel cells rely on supply of rare metals like platinum and iridium? In this video, we have collected all the relevant numbers for you.

👉 Transcript and References on Patreon ➜ https://www.patreon.com/Sabine.

Continue reading “Hydrogen Will Not Save Us. Here’s Why” | >

Wind turbine blades are recycled into reinforcement fiber that increases the strength and overall durability of concrete.

Wind turbines are great for producing energy but become quite wasteful once their lifetime has expired, as the materials used to construct them simply don’t biodegrade very well.

One company is seeking to do something about that according to a report by electrek published on Thursday.

XtockImages/iStock.

Continue reading “A startup transforms abandoned wind turbines into useful concrete” | >

An intense blast of energy that was detected on Earth appears to have come from two colliding and collapsing stars, according to scientists.

Researchers looking through archival observations of gamma rays say they have found “oscillating” signals in two bursts of energy.

They were found in old data taken from an out-of-use experiment in orbit around Earth.

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Worried about a blackout during extreme weather? San Francisco-based EcoFlow Tech offers a battery backup system that can now power your home for an entire week and this includes heavy appliances like washing machines, coffee machines, and hairdryers too. The system is completely portable and can also be used to power your RV during an off-road trip.

Energy solutions such as Tesla Powerwall, which can be recharged using energy from sunlight but EcoFlow Tech is taking it a step further by delivering a power backup system that is entirely portable.

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Under normal temperature and pressure conditions, the reactor could efficiently convert plastic bottles and CO2 into CO, syngas, and glycolic acid.

Researchers from the University of Cambridge developed a first-of-its-kind system that can simultaneously convert plastic waste and greenhouse gases into two chemical products by drawing energy from the sun.

The results are reported in the journal Nature Synthesis.

Onurdongel/iStock.

Continue reading “In a first, a solar-powered reactor converted plastic and greenhouse gases into sustainable fuels” | >

Apple today shared an update on its subscription businesses and global App Store, noting that the tech company has now paid out a record $320 billion to app developers since 2008 — a number that reflects the revenue apps have generated, minus Apple’s commission. In addition, the tech giant said it now has more than 900 million paid subscriptions across Apple services, with subscriptions on the App Store driving a “significant” part of that figure.

The company’s App Store in 2022 faced one of its tougher years since its founding, with lawsuits and antitrust actions aimed at limiting its market power.

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