Robo Alive Saharan Red Lurking Lizard Battery-Powered Robotic Toy by ZURU (Red)

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Have you ever been walking through the forest and thought to yourself, "Damn, its loud here...it's really, really hard to hear anything anybody else is saying"? Well, maybe that's what prompted Terry J. Ord and Judy A. Stamps, respectively from Harvard and UC Davis to investigate lizard exercise routines. Snakes and lizards have distinct body movement patterns. Lizards bend from side to side as they retract their legs to walk or run. Snakes, on the other hand, slither and undulate, like a wave that travels down the body. However, there are species of lizards that have long, snakelike bodies, and limbs so tiny even scientists have wondered about their purpose. Understanding how these hybrid-looking lizards move could provide insight into why an evolutionary transition from lizardlike to snakelike motion occurred. Dr. Clemente said that while the team had studied moving lizards for a long time, the robot allowed them to isolate and control the movements repeatedly to learn which way worked best. The biomimetic robot created by Chen and his colleagues is comprised of a flexible spine-like structure and four legs. To replicate the "creeping" motion typical of lizards, every leg features two hinges and a gear that elicits a swinging movement.The Mars rover can't get to a lot of places it needs to go because it's on wheels, but a legged climbing robot could access these areas," Clemente explained.

To construct the robot’s coat of many colors, the researchers made a “skin” using a thin glaze of liquid crystal ink that can take on any color, depending on the alignment of its molecules. When these particles assemble into larger helical structures, they can reflect a specific color of light. The size of the structures dictates the color displayed. A larger repeating arrangement gives reddish tints. Tighter arrangements appear blue. Scientists have often observed animals using an "announcement" call before beginning their true message. There are often introductory notes in territorial calls in bird species; frog mating calls begin with a low frequency ribbit, and coyotes often bark before they begin their characteristic howling. However, it is the case that the message is not ALWAYS preceded by the announcement. So when do animals use the announcement, and when do they just launch into their speech? It should be noted that it can be very dangerous for animals to use the announcement - whether visual or auditory - because it could also signal predators that lunch is ready. Like a visual dinner bell. (There's a species of bat that is really really sensitive to the mating call of a species of frog. Bad news for the male frogs when they're ready to get it on.) Such insights could contribute to a formula for robotics optimisation, a field that is often dominated by a focus on improving artificial intelligence-based perception of the environment and autonomy, rather than on movement and structure. To determine robot motions, kinematic models relating to foot, leg, and spine are established," Chen and his colleagues wrote in their paper. "Moreover, the coordinated motions between the trunk spine and leg are numerically verified."By understanding which parameters influence an animal's locomotion, we might be able to define what a robot would have to look like and how it would have to move depending on what we want the robot to do: be super-fast, super stable, or something in the middle," Ms Schultz said. The researchers initially evaluated their robot in a series of simulations, to determine whether it could effectively replicate the movements of lizards. Their results were very promising, as they found that their robot could perform the desired motions and walking style.