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Archive for the ‘energy’ category: Page 141

Apr 25, 2022

Hackers say cracking power grid tech was easiest challenge yet

Posted by in categories: cybercrime/malcode, energy

During an industrial control systems hacking challenge, a Dutch team won $40,000 for cracking tech used to control the power grid.

Apr 25, 2022

Clean energy met a record-breaking 38 percent of global power demand in 2021

Posted by in categories: energy, sustainability

Apr 25, 2022

High-flying kites could power your home with wind energy

Posted by in categories: energy, sustainability

Kitekraft discusses airborne wind turbines as well as the sustainability of kite-powered systems that are lightweight and have a lower carbon impact.

Apr 25, 2022

HyPoint extends hydrogen flight range with new ultra-light fuel tanks

Posted by in categories: energy, transportation

BHL Cryotanks have demonstrated a 75% mass reduction compared to existing state-of-the-art aerospace cryotanks (metal or composite), enabling hydrogen aircraft and eVTOL makers to store as much as 10 times more liquid hydrogen fuel without adding mass. As a result, aircraft can travel longer distances without refueling.

GTL has fabricated and tested multiple BHL Cryotanks at a range of scales and has been demonstrated to be leak-tight even after repeated cryo-thermal pressure cycles. This technology has achieved TRL 5+ and is compatible with a variety of cryogenic propellants, including liquid oxygen, liquid methane, and liquid hydrogen.

The BHL Cryotank pictured here measures 2.4 meters long with a 1.2-meter diameter and weighs 12 kilograms (roughly 26 pounds). With the addition of a skirt and vacuum dewar shell, the total system weight is 67 kilograms. This particular tank system can hold over 150 kilograms of liquid hydrogen, giving it a hydrogen storage ratio of at least 50% (the weight of stored hydrogen fuel relative to total system weight), which is as much as 10 times greater than current state-of-the-art fuel tanks. HyPoint estimated that an aircraft equipped with GTL dewar tank technology could achieve as much as four times the range of a conventional aircraft using aviation fuel, cutting aircraft operating costs by an estimated 50% on a dollar-per-passenger-mile basis.

Apr 25, 2022

A mudslide killed his adoptive family when he was 17 years old

Posted by in category: energy

Now, this up-and-coming entrepreneur recycles coconut waste to help prevent deadly landslides. Meet Alhaji Siraj Bah, founder of Rugsal Trading, who overcame tragedy and is using an alternative to wood for cooking fuel.

Apr 25, 2022

Forget windmills: This is an energy kite

Posted by in category: energy

Apr 25, 2022

Skeletonics is a 9-foot-tall exoskeleton suit that doesn’t require any electricity

Posted by in categories: cyborgs, energy

The suit relies on kinetic energy from the user to mirror every move they make. In a demo held at Haneda Innovation City, a man demonstrated some of what the suit is capable of.

Apr 25, 2022

This jet fuel is 100% carbon-neutral

Posted by in category: energy

Find out more about it: http://ow.ly/keaI50Ix79G

Apr 23, 2022

Surveillance drone saves power

Posted by in categories: drones, energy, surveillance

A prototype surveillance drone can save power and stay on task for longer by sticking to walls and powering down its rotors, but only by making a crash landing.

Apr 22, 2022

TEF Design creates living wall for San Francisco substation

Posted by in categories: energy, materials

A lush green wall and back-lit fibreglass panels are found on the exterior of an electrical substation extension that was designed by TEF Design to achieve net-zero energy consumption.

Owned by the utility company Pacific Gas and Electric, the Larkin Street Substation Expansion is located on a mid-block site in the city’s Tenderloin neighbourhood. It adjoins a concrete structure built in 1962 to supply power to the northeastern part of San Francisco.

For the constrained site, local firm TEF Design conceived a two-storey addition that totals 12,200 square feet (1,133 square metres). The extension rises 50 feet (15 metres) at its highest point.