‘Blind’ robot learns to navigate a flight of stairs for the first time by feeling its way

Engineers in the US have devised a robot that can easily climb staircases in the dark. ‘Cassie’ ascended the steps at Oregon State University with 80 percent proficiency, all without eyes or other sensors. The bipedal robot was trained to use ‘proprioception,’ or body awareness—to navigate uneven surfaces. Researchers say that’s important if fog, dim … Read more

How to navigate the new rules for travel in the coronavirus era

Passport, ticket… Covid-19 negative test result: How to navigate the new rules for travel in the coronavirus era Check to see if you need proof that you’re free of Covid-19 before travelling  Free NHS tests are for those with Covid symptoms, not people going on holiday Some countries allow you to avoid pre-flight tests by … Read more

New study reveals how Chinook salmon use the Earth’s magnetic pulses to help navigate in the ocean

New study reveals how Chinook salmon use the Earth’s magnetic field as a kind of GPS signal to help navigate in the ocean Researchers confirmed the existence of magnetite crystals in Chinook salmon The crystals allow the salmon to sense magnetic pulses from the Earth They use these pulses as a biological GPS signal to … Read more