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Category: transportation – Page 313

Toyota finally unveils its first EV, an all electric SUV called bZ4x but it also responded to pressure of some investors to cut out the anti-EV lobbying. InsideEVs and Forbes contributor Tom Moloughney will be here to weigh in, plus other EV news of the week.

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Continue reading “Toyota Shows Off Its First Electric Car | EV News” | >

Training neural networks to perform tasks, such as recognizing images or navigating self-driving cars, could one day require less computing power and hardware thanks to a new artificial neuron device developed by researchers at the University of California San Diego. The device can run neural network computations using 100 to 1000 times less energy and area than existing CMOS-based hardware.

Researchers report their work in a paper published recently in Nature Nanotechnology.

Neural networks are a series of connected layers of artificial neurons, where the output of one layer provides the input to the next. Generating that input is done by applying a mathematical calculation called a non-linear activation function. This is a critical part of running a neural network. But applying this function requires a lot of computing power and circuitry because it involves transferring data back and forth between two separate units – the memory and an external processor.

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The UK government on Wednesday became the first country to announce it will regulate the use of self-driving vehicles at slow speeds on motorways, with the first such cars possibly appearing on public roads as soon as this year.

Britain’s transport ministry said it was working on specific wording to update the country’s highway code for the safe use of self-driving vehicle systems, starting with Automated Lane Keeping Systems (ALKS) — which use sensors and software to keep cars within a lane, allowing them to accelerate and brake without driver input.

The government said the use of ALKS would be restricted to motorways, at speeds under 37 miles (60 km) per hour.

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This article is part of our new series, Currents, which examines how rapid advances in technology are transforming our lives.

Imagine operating a computer by moving your hands in the air as Tony Stark does in “Iron Man.” Or using a smartphone to magnify an object as does the device that Harrison Ford’s character uses in “Blade Runner.” Or a next-generation video meeting where augmented reality glasses make it possible to view 3D avatars. Or a generation of autonomous vehicles capable of driving safely in city traffic.

These advances and a host of others on the horizon could happen because of metamaterials, making it possible to control beams of light with the same ease that computer chips control electricity.

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MEXICO CITY (Reuters) — A global semiconductor chip shortage, which has hurt Mexico’s auto industry, could improve but still not be fully resolved by the end of the year, said the head of Intel Corp’s Mexico unit, Santiago Cardona.

Intel in late March said it will greatly expand its advanced chip manufacturing capacity with plans to spend as much as $20 billion to build two factories in Arizona and open its factories to outside customers.

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CHAPTERS:
0:00 Teaser.
0:16 Intro & Recap.
1:56 Wrapping the Board & Assembly.
2:50 Installing New Speed Controllers.
3:16 How Will We Power The Board?
4:14 Hovering Test.
4:52 How To Get Started With Engineering!
5:55 Jimmy Has A Solution!
6:50 Making Sure Things Don’t Go Boom.
8:16 4th Hover Test — Will It Succeed?
9:51 Cooking Eggs On A Super Hot Motor.
10:20 The Finished Board & Installing The Floor.
10:40 The Final Test.
12:56 Outro.

MUSIC:

Continue reading “Hoverboard Test! (Part 2/2)” | >

In February, the researchers introduced a new biomanufacturing platform that can quickly make shelf-stable vaccines at the point of care, ensuring they will not go to waste due to errors in transportation or storage. In its new study, the team discovered that enriching cell-free extracts with cellular membranes — the components needed to made conjugate vaccines — vastly increased yields of its freeze-dried platform.

The work sets the stage to rapidly make medicines that address rising antibiotic-resistant bacteria as well as new viruses at 40000 doses per liter per day, costing about $1 per dose. At that rate, the team could use a 1000-liter reactor (about the size of a large garden waste bag) to generate 40 million doses per day, reaching 1 billion doses in less than a month.

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While leaded gasoline was fully phased out in 1996 with the passage of the Clean Air Act, it still fuels a fleet of 170000 piston-engine airplanes and helicopters. Leaded aviation fuel, or avgas, now makes up “the largest remaining aggregate source of lead emissions to air in the U.S.,” according to the Environmental Protection Agency.

Meanwhile residents continue to live with the air quality that comes with living near an airport where small planes burning leaded fuel fly in and out, said Alarcon, who is also a volunteer organizer with the nonprofit tenant advocacy group Vecinos Activos. It’s also unclear to air quality experts and residents what is arguably safe.

“There is no bright line that says ‘Above this concentration lead is safe and below this concentration’ that it is not. You’d have to make a policy decision,” said Jay Turner, an engineering education professor at Washington University in St. Louis and member of the EPA’s Science Advisory Board. “We’re really careful to come back to this point that just because public areas might meet the EPA standard [for lead] doesn’t mean zero risk or zero concern.”

Piston-engine airplanes have been a mainstay in aviation since they were first introduced in the early 20th century, according to Walter Desrosier, vice president of engineering and maintenance with the aviation industry group General Aviation Manufacturers Association. Since World War II, piston engines have been widely used by pilot hobbyists, aviation students and government agencies because of their high-performing engines and reliability to stay aloft amid rapid changes in temperature, pressure and altitude. They also cost less at $400000 to $500000.

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