New suction-cup system spins water to stick to rough surfaces

While there already are powered suction-cup devices that allow people or robots to climb walls, they only work on smooth surfaces. Chinese scientists, however, have now developed a system that sticks to rough surfaces via spinning water.Known as “zero-pressure difference” (ZPD), the technology is being developed by a team at Zhejiang University, led by Xin…

Malaysia sends back trash, says won’t be world’s waste bin

PENANG, Malaysia (AP) — Malaysia has sent back 150 containers of plastic waste to 13 mainly rich countries since the third quarter last year, with the environment minster warning on Monday that those who want to make the country a rubbish bin of the world can “dream on.” Shipments of unwanted rubbish have been rerouted…

A look at expected participants in Virginia gun rally

RICHMOND, Va. (AP) — State officials and U.S. hate-monitoring groups are warning about the potential for violence ahead of a gun-rights rally in Virginia that’s expected to draw a mix of militias, firearms advocates and white supremacists to Richmond. Citing credible threats of violence, Gov. Ralph Northam declared a temporary state of emergency days ahead…

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