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Hardening up: New alloy four times as tough as titanium

September 27, 2023February 20, 2024 admin

A chance discovery in a physics lab at Rice University has turned up an ultra-hard material that could usurp the titanium commonly used in today’s knee and hip replacements. Scientists have found that by melting gold into the titanium mix they can produce a non-toxic metal that is four times harder than titanium itself, raising the prospect of more durable, longer lasting medical implants. Emilia Morosan, a professor of physics at Rice University, was carrying out experiments on a magnetic material made from nonmagnetic elements, more specifically, a titanium-gold mix with a…

Medical Tech

Nanoparticle lung vaccine protects against HIV, herpes

September 24, 2023February 20, 2024 admin

Scientists have created a type of nanoparticle that they say can effectively deliver vaccines to the lungs, protecting against numerous infectious diseases. This is according to a study published in Science Translational Medicine. Researchers from the Massachusetts Institute of Technology (MIT) say the nanoparticle vaccine could help protect againstinfluenza and other respiratory diseases, as well as prevent sexually transmitted diseases such as HIV, human papilloma virus and herpes simplex virus. The scientists note that many viruses and bacteria infect humans through mucosal surfaces, such as those in the lungs. Therefore, they wanted to develop vaccines that are…

Medical Tech

Proteins team up to turn on T cells

September 23, 2023February 20, 2024 admin

The fates of various cells in our bodies–whether they become skin or another type of tissue, for example–are controlled by genetic switches. In a new study, Caltech scientists investigate the switch for T cells, which are immune cells produced in the thymus that destroy virus-infected cells and cancers. The researchers wanted to know how cells make the choice to become T cells. “We already know which genetic switch directs cells to commit to becoming T cells, but we wanted to figure out what enables that switch to be turned on,”…

Transport Tech

Elon Musk’s Hyperloop: A Pragmatic Vision of the Future

September 17, 2023February 20, 2024 admin

Los Angeles to San Francisco in 30 minutes? In August, billionaire entrepreneur Elon Musk announced his vision for Hyperloop, a levitating train that would shoot through a low-pressure, above-ground tunnel at 760 mph. Musk is famous for futuristic transit, such as his electric car company Tesla Motors and commercial space travel business SpaceX. But he has no intention of building a functional Hyperloop. His aim was to generate buzz with the idea, in the hope that others would develop and build it. The technology itself is old news. In 1972,…

Other Tech

Humans can now use mind control to direct swarms of robots

August 29, 2023February 20, 2024 admin

There have been some amazing breakthroughs that enable humans to control a single machine with their thoughts. The next step is figuring out how to operate an entire fleet of robots with mind control. A team of researchers at Arizona State University’s (ASU) Human-Oriented Robotics and Control Lab have developed a system for managing swarms of robots with brain power. ASU’s new system can be used to direct a group of small, inexpensive robots to complete a task. If one robot breaks down, it’s not a big loss, and the rest can…

Nvidia’s eye-tracking system blurs the lines for more immersive VR environments

August 28, 2023February 20, 2024 admin

The human eye can only focus on one surprisingly small area at a time, while our peripheral vision gives us the general gist of what else is nearby. That means a lot of processing power that goes into fully rendering virtual reality environments in focus is wasted when you’re only really taking in a small area of the screen at any given time. Nvidia has developed a rendering technique that allows that wasted processing power to be redirected to allow developers to create more immersive VR environments. The technique, called…

Other Tech

Boeing unveils game-changing autonomous submarine

August 25, 2023February 20, 2024 admin

When you hear the name “Boeing,” chances are you think of aircraft. The fact is, however, the company has also been developing underwater vehicles since the 1960s. Its latest such creation, the Echo Voyager, is designed to operate autonomously for months at a time. The 51-foot (15.5-m)-long Voyager joins two other Boeing unmanned undersea vehicles, or UUVs: the 32-ft (9.8-m) Echo Seeker and the 18-ft (5.5-m) Echo Ranger. Like them, it’s designed to autonomously gather data underwater for scientific, military or other purposes. Unlike them, though, it’s not limited to missions lasting no…

Medical Tech

Pure Oxygen in Hyperbaric Chamber Helps with Opiate Withdrawal in Mice

August 18, 2023February 20, 2024 admin

With heroin growing in popularity and causing a serious public health issue, researchers are looking at new ways to help treat the addiction. At Washington State University researchers were curious to see whether a hyperbaric chamber pressurized with pure oxygen would let people going through withdrawal have fewer of the unpleasant side effects we all remember from Trainspotting. The investigators had a group of mice hooked on the stuff via a couple morphine injections over four days. On the following day, the mice were split into groups, some receiving…

Transport Tech

BMW ConnectedDrive gets even more connected

August 12, 2023February 20, 2024 admin

BMW ConnectedDrive provides drivers with a variety of services and apps for in-vehicle entertainment, information and safety. As the name suggests, the system is rooted in connectivity and, working with Deutsche Telekom, BMW is bumping up those capabilities to include high-speed LTE, a Wi-Fi hotspot and the new eSIM. eSIM technology is being touted as a replacement for the traditional SIM card that’s at the heart of your smartphone. It’s used to establish a high-speed LTE connection inside the vehicle. This, in turn, powers a password-protected Wi-Fi hotspot that can provide internet…

Other Tech

MIT movie screen delivers 3D dazzle without the glasses

August 2, 2023February 20, 2024 admin

3D cinema might bring dinosaur jaws right up to your nose, but it’s a wonder the great beasts don’t just laugh when they see the oddball glasses on your head that makes the effect possible. A new advancement from MIT takes a well-known trick known as the parallax barrier and leverages it in a way particular to how we move our heads in movie theaters. A small prototype using 50 mirrors and lenses has been developed and, if researchers can advance upon the idea, glassless 3D viewing might just become…