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Archive for the ‘transportation’ category: Page 10

Sep 15, 2024

Uber and Waymo to offer driverless rides in Austin

Posted by in categories: robotics/AI, transportation

“There are a bunch of stalls on campus where I go swing dancing. I guess those were the cruise ones,” says Dieck.

Last year, the self-driving car service Cruise suspended its fleet of nearly 1,000 cars nationwide following a hit-and-run crash, drawing concern about the partnership between Uber and Waymo, another robotaxi company.

“That might be one reason why I have never taken Waymo I would rather get in the car with someone who can maneuver, and you can see the rating that they have,” says Chester.

Sep 12, 2024

Most powerful fuel in history, created after Hawking predicted it: 8 grams for 1 million miles

Posted by in categories: nuclear energy, transportation

Hydrogen has been defined on numerous occasions as “the fuel of the future”. We have seen other alternatives, such as ammonia or even methanol (which you may remember meeting with us), but what if there was an even more powerful one? Hawking predicted decades ago that the most powerful one could exist, and now they have finally created it. This is the new engine that has everything to revolutionize the planet but would require a huge mobilization of resources to manufacture.

The idea of using thorium for fueling cars has created the immense interest from auto enthusiasts, as such cars may become a clean, efficient and almost inexhaustible energy source for transport in the future. Nevertheless, the prospects of this technology are not as simple as may be suggested by this example, and at the moment, this technology is still rather hypothetical.

A thorium-powered car engine concept is based on the use of the radioactive material known as thorium as fuel. In principle, this engine employed a tiny measure of thorium to release heat through nuclear fission, and the heat was further transformed into electricity to run the car.

Sep 11, 2024

Procedural Road Network Made With Unreal Engine 5

Posted by in categories: information science, robotics/AI, transportation

Game Developer jourverse, who is currently working on a tutorial series focused on building a traffic system in Unreal Engine 5, shared a demo project file for this procedural road network integrated with vehicle AI for obstacle avoidance, using A* for pathfinding.

The developer explained that both the A* algorithm and the road editor mode are implemented in C++, with no use of neural networks. Vehicle AI operations like spline following, reversing, and performing 3-point turns are handled through Blueprints. The vehicle AI navigates using two paths: the green spline for the main route and the blue spline for obstacle avoidance. The main spline leverages road network nodes to determine the path to the target via A* on FPathNode, which includes adjacent road nodes.

For obstacle detection, the vehicle employs polynomial regression to predict its future position. Upon detecting an obstacle, a grid of sphere traces is generated to map the obstacle’s location, and another A* algorithm is employed to create a path around the obstacle.

Sep 10, 2024

Revolutionary Battery Made from Stone Could Transform Electric Cars

Posted by in categories: sustainability, transportation

Researchers have developed a groundbreaking battery material from common rock.

Sep 9, 2024

A capsule has been propelled through a Hyperloop test tube in a step forward for the transit system

Posted by in categories: Elon Musk, transportation

Hyperloop, a new form of mass transit involving capsules whizzing on magnetic fields through depressurized tubes, has achieved significant liftoff in the northern Netherlands, a company developing the technology said Monday.

A was levitated and zipped through a tube at a testing facility for the high-speed transit system once promoted by Elon Musk.

“So today, with the first successful test, we were able to levitate the vehicle, also turn on the guidance system and the propulsion system,” Marinus van der Meijs, the technology and engineering director at hyperloop company Hardt, told The Associated Press late last week before Monday’s formal announcement.

Sep 9, 2024

Goliath P1 solid-state EV battery defeats 1112°F thermal runaway

Posted by in categories: sustainability, transportation

A prototype solid-state battery, named the Goliath P1 and developed by UK startup Ilika, has made waves in the electric vehicle (EV) industry due to its significant benefits and implications. The battery achieved a major breakthrough by passing an important safety test known as the nail penetration test.

This test simulates a catastrophic incident that often leads to dangerous thermal runaway—a condition in which traditional lithium-ion batteries, which use liquid electrolytes, can explode or catch fire.

Sep 8, 2024

Molecular simulations, supercomputing lead to energy-saving biomaterials breakthrough

Posted by in categories: 3D printing, economics, energy, supercomputing, sustainability, transportation

A team led by scientists at the Department of Energy’s Oak Ridge National Laboratory identified and successfully demonstrated a new method to process a plant-based material called nanocellulose that reduced energy needs by a whopping 21%. The approach was discovered using molecular simulations run on the lab’s supercomputers, followed by pilot testing and analysis.

The method, leveraging a solvent of sodium hydroxide and urea in water, can significantly lower the production cost of nanocellulosic fiber — a strong, lightweight biomaterial ideal as a composite for 3D-printing structures such as sustainable housing and vehicle assemblies. The findings support the development of a circular bioeconomy in which renewable, biodegradable materials replace petroleum-based resources, decarbonizing the economy and reducing waste.

Colleagues at ORNL, the University of Tennessee, Knoxville, and the University of Maine’s Process Development Center collaborated on the project that targets a more efficient method of producing a highly desirable material. Nanocellulose is a form of the natural polymer cellulose found in plant cell walls that is up to eight times stronger than steel.

Sep 8, 2024

Catalyst design boosts performance of anion-exchange-membrane fuel cells

Posted by in categories: chemistry, energy, sustainability, transportation

Fuel cells are energy-conversion solutions that generate electricity via electrochemical reactions without combustion, thus not contributing to the pollution of air on Earth. These cells could power various technologies, ranging from electric vehicles to portable chargers and industrial machines.

Despite their advantages, many fuel cell designs introduced to date rely on expensive materials and precious metal catalysts, which limits their widespread adoption. Anion-exchange-membrane fuel cells (AEMFCs) could help to tackle these challenges, as they are based on Earth-abundant, low-cost catalysts and could thus be more affordable.

In recent years, many research groups worldwide have been designing and testing new AEMFCs. While some existing devices achieved promising results, most of the non-precious metals serving as catalysts were found to be prone to self-oxidation, which causes the irreversible failure of the cells.

Sep 7, 2024

New titanium-nickel alloy could enable shape-shifting aircraft

Posted by in categories: energy, transportation

The material displays characteristics across a wide temperature range aiding versatile applications:


There is always a trade-off when balancing strength and flexibility. One is achieved at the cost of the other. While a flexible, shape-shifting aircraft can deliver benefits for higher energy efficiency and faster transportation, these cannot be achieved by risking the safety of the passengers using a material that lacks proper strength.

Continue reading “New titanium-nickel alloy could enable shape-shifting aircraft” »

Sep 6, 2024

World’s largest wind-powered cargo ship makes first delivery across the Atlantic

Posted by in category: transportation

A French startup is bringing sails back to the shipping industry.

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