Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
How an alga synchronizes its two flapping cilia to propel itself is revealed in a tabletop experiment with chains of mobile robots.
The freshwater alga Chlamydomonas reinhardtii swims by flapping its two cilia in a motion akin to the breaststroke. Unlike a human, C. reinhardtii lacks a brain to coordinate its limbs. The synchronization is automatic. To uncover its origin, Mingcheng Yang of the Institute of Physics of the Chinese Academy of Sciences and his collaborators built mechanical algae whose cilia are made of chains of cockroach-sized toy robots [1]. By adjusting the ciliaâs flapping frequency and other parameters, the researchers reproduced the algaâs swimming gaits and identified the conditions that favor them.
Yangâs mechanical algae each consists of a puck-like base, on the sides of which are attached two chains of four robots. Each robotâs underside bristles with elastic hairs set at an angle. When a mechanical alga is placed on a tabletop and an internal electric motor is switched on, each bristly robot vibrates vertically. On the upstroke, the hairs push the robot toward the base, setting up the possibility that the chains could buckle.
Break it down: How AI can learn from the brain.
In a recent paper titled âA sensory-motor theory of the neocortexâ published in the journal Nature Neuroscience, Rao posited that the brain uses active predictive coding (APC) to understand the world and break down complicated problems into simplerâŠ
When you reach out to pet a dog, you expect it to feel soft. If it doesnât feel like how you expect, your brain uses that feedback to inform your next action â maybe you pull your hand away. Previous models of how the brain works have typically separated perception and action. For Allen School professor Rajesh Rao, those two processes are closely intertwined, and their relationship can be mapped using a computational algorithm.
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
Mind uploading and digital immortality explore the potential of AI technology to enable humans to live forever by transferring consciousness to machines. This concept raises profound questions about the future of humanity, identity, and ethics. Discover the groundbreaking possibilities and challenges of achieving eternal life through artificial intelligence and digital consciousness.
#ai #mindupload
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
Roadmap: Quantum algorithms and quantum machine learning could assist high-energy physics, ranging from studying neutrino oscillations to reconstructing particle trajectories in colliders.
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
Researchers have developed biohybrid robots controlled by fungal mycelia, leveraging the myceliaâs electrical signals to enhance environmental responsiveness. This novel system allows robots to react to stimuli like light.
Researchers said the study showed nanobots had the potential to transport drugs to precise locations.
