A squishy underwater robot with limbs that bend in every direction requires unusual control strategies.
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Think of a traditional robot and you probably imagine something made from metal and plastic. Such “nuts-and-bolts” robots are made of hard materials. As robots take on more roles beyond the lab, such rigid systems can present safety risks to the people they interact with. For example, if an industrial robot swings into a person, there is the risk of bruises or bone damage.
Researchers are increasingly looking for solutions to make robots softer or more compliant – less like rigid machines, more like animals. With traditional actuators – such as motors – this can mean using air muscles or adding springs in parallel with motors. For example, on a Whegs robot, having a spring between a motor and the wheel leg (Wheg) means that if the robot runs into something (like a person), the spring absorbs some of the energy so the person isn’t hurt. The bumper on a Roomba vacuuming robot is another example; it’s spring-loaded so the Roomba doesn’t damage the things it bumps into.
But there’s a growing area of research that’s taking a different approach. By combining robotics with tissue engineering, we’re starting to build robots powered by living muscle tissue or cells. These devices can be stimulated electrically or with light to make the cells contract to bend their skeletons, causing the robot to swim or crawl. The resulting biobots can move around and are soft like animals. They’re safer around people and typically less harmful to the environment they work in than a traditional robot might be. And since, like animals, they need nutrients to power their muscles, not batteries, biohybrid robots tend to be lighter too.
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With this week’s overload of news flashes about the Quantum Satellite launch, I restrained from publishing too much repeat news on the launch. However, I came across an excellent article from NASAspaceflight.com that provides additional and good details about some of the initial “publically known” experiments that are to be conducted by the Chinese.
Of course, as with any government agency, not all information is shared.
https://www.nasaspaceflight.com/2016/08/long-march-2d-quantu…satellite/
The Chinese have launched the first satellite that can achieve quantum communications between space and Earth. The launch of the Quantum Science Satellite – called Mozi – took place at 17:40 UTC on Monday using a Long March-2D (Chang Zheng-2D) launch vehicle from the 603 Launch Pad of the LC43 complex at the Jiuquan space center. Chinese Launch: The new satellite is dedicated to quantum science experiments. The Quantum Space Satellite, (or Quantum Experiments at Space Scale) will test the phenomena of quantum entanglement.
Another great example where scientists are bridging bio and technology together.
Fluorescent proteins from jellyfish that were grown in bacteria have been used to create a laser for the first time, according to a new study.
The breakthrough represents a major advance in so-called polariton lasers, the researchers said. These lasers have the potential to be far more efficient and compact than conventional ones and could open up research avenues in quantum physics and optical computing, the researchers said.
Traditional polariton lasers using inorganic semiconductors need to be cooled to incredibly low temperatures. More recent designs based on organic electronics materials, like those used in organic light-emitting diode (OLED) displays, operate at room temperature but need to be powered by picosecond (one-trillionth of a second) pulses of light. [Science Fact or Fiction? The Plausibility of 10 Sci-Fi Concepts].
“Driving cars on the road might be the best way to create maps for tomorrow’s autonomous ones.”