Its large lithium-ion battery allows for three hours of continuous cleaning, and when cleaning is completed, the Roborock S6 takes itself back to its docking station to self-charge. During my test, it was able to fully clean 20 square metres in under 25 minutes and only used about 5 per cent of the battery. … [Read more...] about Is the Roborock S6 worth the £530 price tag? This nifty vacuum cleaner takes the hassle out of keeping your floors clean and banishes dust, dirt and pet hair
Sciencetech
China quietly lands its ultra-secret experimental spacecraft and claims it achieved ‘key breakthroughs in reusable technologies’
THREE MISSIONS TO MARS IN THE SPACE OF 10 DAYS There are three major missions bound for Mars in the space of just 10 days this month - the UAE's Hope orbiter, China's Tianwen-1 craft and NASA's Perseverance rover. … [Read more...] about China quietly lands its ultra-secret experimental spacecraft and claims it achieved ‘key breakthroughs in reusable technologies’
How sharks lost their bones: Ancient fossils reveal the cartilage-based skeletons of sharks may have evolved from bony fish
However, sharks have far more reason to be afraid of humans. We kill up to a million of them a year, often just cutting off their fins to make into soup and throwing the rest of the shark back into the water, where it starves or drowns. … [Read more...] about How sharks lost their bones: Ancient fossils reveal the cartilage-based skeletons of sharks may have evolved from bony fish
Virgin Galactic’s SpaceShipTwo could launch again next month as the firm gears up to send billionaire founder Richard Branson into orbit by early 2021
Unlike other commercial spaceflight companies, such as Blue Origin, Virgin Galactic initiates its flights without using a traditional rocket launch. Instead, the firm launches its passenger-laden SpaceShipTwo and other craft from a carrier plane, dubbed WhiteKnightTwo. Once SpaceShipTwo has propelled itself into space its engines shut off for a period of weightlessness before returning home … [Read more...] about Virgin Galactic’s SpaceShipTwo could launch again next month as the firm gears up to send billionaire founder Richard Branson into orbit by early 2021
Epidemics lead to a rise in racism, conspiracy theories and civil unrest, reveals study of past outbreaks from the Black Death to the Spanish Flu
Researchers from Italy analysed 57 past epidemics — finding that the turmoil from each outbreak tended to result in a quieting of existing unrest. The findings, the team said, may explain why movements — such as the activism of Greta Thunberg (left) and Liberate Hong Kong (right) — seem weakened since COVID-19 began … [Read more...] about Epidemics lead to a rise in racism, conspiracy theories and civil unrest, reveals study of past outbreaks from the Black Death to the Spanish Flu
