When robotics operate on the ground, a sudden power failure or dead battery simply causes the machine to halt. On a vertical glass surface 20 meters high, power failure presents an immediate safety risk. Ensuring a vertical cleaning device stays securely affixed during grid blackouts or acciden...
This is a special contribution from the Centre on Contemporary China and the World at the University of Hong Kong. Read the full report at the end of the article. It will be available on the institute website cccw.
North Korea fired multiple ballistic missiles off its east coast on Monday, South Korea’s military said, amid tensions over border landmine explosions that injured three South Korean soldiers last month. Seoul said the missiles were launched from Pyongyang and increased surveillance, while Japan...
Annie Andrews and Darline Graham are running to replace the late Sen. Lindsey Graham, and the winner will make history as the first female senator elected from South Carolina.
Behind quarterback Brock Purdy, the San Francisco 49ers beat the Seattle Seahawks on the road — and appear to be the NFL’s best team through five weeks.
NATO’s top military commander is expected to warn Russia on Monday that the alliance can counter any attack, officials said. US General Alexus Grynkewich will outline his “theory of victory” at a Warsaw security conference amid Western concerns over Moscow’s alleged campaign of sabotage and inte...