Army of a million microscopic robots created to explore on tiny scale

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Artist’s rendition of an array of microscopic robots

 A troop of a million walking robots could enable scientific exploration at a microscopic level.

Researchers have developed microscopic robots before, but they weren’t able to move by themselves, says Marc Miskin at the University of Pennsylvania. That is partly because of a lack of micrometre-scale actuators – components required for movement, such as the bending of a robot’s legs.

Miskin and his colleagues overcame this by developing a new type of actuator made of an extremely thin layer of platinum. Each robot uses four of these tiny actuators as legs, connected to solar cells on its back that enable the legs to bend in response to laser light and propel their square metallic bodies forwards.

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RoBeetle is a tiny robot that uses methanol for fuel

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RoBeetle is a tiny robot that uses methanol for fuel

One of the biggest challenges facing researchers who are working on small robots is how to power them. The problem is that most batteries add significantly to the weight and take up lots of space inside small robots, making them impractical. Scientists have come up with a robot called the RoBeetle that doesn’t use a battery, instead relying on liquid methanol for power.

The body of the RoBeetle is a fuel tank filled with methanol. It has four legs with the rear legs fixed and the front legs attached to a transmission. The transmission is connected to a leaf spring-tensioned in a way that pulls the legs backwards. Its design allows the robot to stand upright when still.

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The big future of satellite internet just took a promising step forward

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As companies like SpaceX and Amazon scramble the satellites to build internet constellations, an old piece of tech gets an update.

Some of the biggest companies in the world, like Amazon and SpaceX, are looking towards space for the future of the Internet. Satellite-based Internet is a nascent enterprise, but analysts believe that broadband Internet beamed to Earth from orbit could be a massive business fewer than 20 years, earning hundreds of billions of dollars.

Attention has focused on the “space” part of “space Internet,” with news stories focused on the rocket launches getting SpaceX’s Starlink satellites into space, and how Amazon plans to catch up with satellites of its own. But all of these satellites will need transceivers on Earth to send and receive data. Scientists at the Tokyo Institute of Technology and Socionext Inc. have built a new one that is made to work with the next generation of Internet satellites.

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Long-range 4D imaging radar on a chip unveiled

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Developer of affordable imaging radars for the automotive industry, RFISee is unveiling the first Phased Array 4D imaging radar on a chip. RFISee’s all weather radar has proven its ability to detect cars from 500 meters and pedestrians from 200 meters, with an angular resolution greater than 1°.

The company’s engineers have adapted Phased Array antenna technology, used in military systems including the F-35 fighter jet and in air defence systems, while at the same time reducing the price to the current level of automotive sensors. Prototypes of RFISee’s radar are under evaluation by top automotive OEMs and Tier-1s.

Unlike many traditional and new types of radar, RFISee’s patented 4D imaging radar uses a powerful focused beam based on proprietary Phased Array radar technology. The focused beam created by dozens of transmitters rapidly scans the field of view. The receivers ensure a much-improved radar image, a better signal to noise ratio, and a detection range of obstacles such as cars and pedestrians that is six times broader when compared to existing radars. The competitive edge of RFISee’s radar prototype has already been proven in extensive testing.

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Cambridge researchers create a touchscreen you don’t have to touch

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We’d assume at this point that every smartphone user knows that their touchscreen is one of the nastiest devices they own. The surface of a touchscreen can be packed with viruses and bacteria that have the potential to make people sick. This is a particularly significant issue in the current world climate with the coronavirus pandemic leading to illnesses that could potentially kill people.

Researchers from the University of Cambridge have been working on a new type of touchscreen that doesn’t have to be touched. It’s called the “no-touch touchscreen” and was developed specifically for use in cars. Researchers believe that it could have widespread applications in the post-COVID-19 world thanks to its ability to reduce the risk pathogen transmission from the surface of devices. The patent behind the technology is known as “predictive touch” and was developed as part of research collaboration with Jaguar Land Rover.

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KFC is working with a Russian 3D bioprinting firm to try to make lab-produced chicken nuggets

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The restaurant chain says it’s the meat of the future

KFC is trying to create the world’s first laboratory-produced chicken nuggets, part of its “restaurant of the future” concept, the company announced. The chicken restaurant chain will work with Russian company 3D Bioprinting Solutions to develop bioprinting technology that will “print” chicken meat, using chicken cells and plant material.

KFC plans to provide the bioprinting firm with ingredients like breading and spices “to achieve the signature KFC taste” and will seek to replicate the taste and texture of genuine chicken.

It’s worth noting that the bioprinting process KFC describes uses animal material, so any nuggets it produced wouldn’t be vegetarian. KFC does offer a vegetarian option at some of its restaurants; last year it became the first US fast-food chain to test out Beyond Meat’s plant-based chicken product, which it plans to roll out to more of its locations this summer.

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Bacteria that eats metal accidentally discovered by scientists

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Manganese oxide nodules generated by the bacteria discovered by the Caltech team.

(CNN)Scientists have discovered a type of bacteria that eats and gets its calories from metal, after suspecting they exist for more than a hundred years but never proving it.

Now microbiologists from the California Institute of Technology (or Caltech) accidentally discovered the bacteria after performing unrelated experiments using a chalk-like type of manganese, a commonly found chemical element.

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This former semiconductor factory is now the worlds largest indoor farm, producing 10k heads of lettuce per day

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This indoor Japanese farm uses LED lights and hydroponics to produce lettuce 2.5 times faster, with just 1% of the water, when compared to an outdoor farm.

When we think about factories, and what we decry as “factory farms,” we probably don’t think very highly of them as being a key component in the future of agriculture, but if we can take what factories do best, such as use technology to build efficient production lines, and pair that with what nature does best, which is growing biomass from light and water and minerals, then growing food in plant factories starts to make a lot of sense.

Converting what were formerly industrial buildings into indoor farming operations, especially in urban areas and locations that aren’t conducive to year-round outdoor food production, could be an excellent reuse of existing resources (the buildings themselves, the infrastructure that supports them, and their locations in or near cities) to help build a more sustainable food system. And this sort of operation can be done in a way that’s both highly efficient and productive (PDF), in essence turning our ideas about industrial-scale factory farming on their heads.

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Samsung: Expect 6G in 2028, enabling mobile holograms and digital twins

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Just as the earliest 5G networks began to go live two years ago, a handful of scientists were eager to publicize their initial work on the next-generation 6G standard, which was at best theoretical back then, and at worst an ill-timed distraction. But as 5G continues to roll out, 6G research continues, and today top mobile hardware developer Samsung is weighing in with predictions of what’s to come. Surprisingly, the South Korean company is preparing for early 6G to launch two years ahead of the commonly predicted 2030 timeframe, even though both the proposed use cases and the underlying technology are currently very shaky.

Given that the 5G standard already enabled massive boosts in data bandwidth and reductions in latency over 4G, the questions of what more 6G could offer — and why — are key to establishing the need for a new standard. On the “what” side, Samsung expects 6G to offer 50 times higher peak data rates than 5G, or 1,000Gbps, with a “user experienced data rate” of 1Gbps, plus support for 10 times more connected devices in a square kilometer. Additionally, Samsung is targeting air latency reductions from 5G’s under 1 millisecond to under 100 microseconds, a 100 times improvement in error-free reliability, and twice the energy efficiency of 5G.

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Facebook built a new fiber-spinning robot to make internet service cheaper

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Facebook has designed a robot that can install fiber on traditional power lines, as shown in this rendering.

 The robot’s code name is Bombyx, which is Latin for silkworm, and pilot tests with the machine begin next year.

The robot rests delicately atop a power line, balanced high above the ground, almost as if it’s floating. Like a short, stocky tightrope walker, it gradually makes its way forward, leaving a string of cable in its wake. When it comes to a pole, it gracefully elevates its body to pass the roadblock and keep chugging along.

This isn’t a circus robot. Facebook developed the machine to install fiber cables on medium-voltage power lines around the globe. The aim is to make it cheaper for internet service providers to build out their networks using super-fast and reliable fiber connections. Installing fiber is a pricey endeavor, limiting where it can be deployed. If the cost of installation goes down, says Facebook, so too does the cost of service for the end user.

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Research scientists develop groundbreaking artificial cartilage

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The new material is strong enough to work in knees

 Need some cartilage? There’s a technology for that.

Knee surgery is a frequently-performed procedure across the country. Why? Well, the knees are at work for most of your waking hours, and the same activity that keeps you physically fit can also lead to wear and tear on them. If you’ve ever needed to have work done on the joint itself, you may be aware of the difficulties of coming up with a lasting replacement: until recently, there wasn’t a replacement durable enough for the cartilage in a human knee.

That might no longer be the case, however. At Science Alert, David Nield has the news that a group of researchers, some affiliated with Duke University, have made a breakthrough in replacing cartilage. They’ve come up with a hydrogel that compares favorably to the material currently used for knee replacement surgery:

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