科学与环境
Two-color glowing molecule could make wind tunnel tests more accurate
来源: Phys.org - latest science and technology news stories · 发布于
Most sensors can measure only one thing at a time, like a thermometer for temperature or a pressure gauge for pressure. Measuring two properties accurately from the same surface at the same moment usually means using two separate instruments—adding cost and complexity to the proc
Most sensors can measure only one thing at a time, like a thermometer for temperature or a pressure gauge for pressure. Measuring two properties accurately from the same surface at the same moment usually means using two separate instruments—adding cost and complexity to the process.
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Two astronauts who flew farther than anyone before are taking new NASA roles
Artemis II astronauts Victor Glover and Reid Wiseman are transitioning to emeritus status at NASA after their historic journey around the Moon earlier this year. The pair will continue advising and mentoring NASA teams as preparations accelerate for Artemis III and future lunar m
All Top News -- ScienceDaily ·
Distant time crystals can somehow fall into the same rhythm
Researchers have shown that multiple time crystals inside a semiconductor can synchronize their oscillations, much like pendulum clocks gradually falling into the same rhythm. The coupling is carried by spin-polarized electrons, allowing time crystals separated by up to 40 microm
All Top News -- ScienceDaily ·
‘Friendship pandas’ arrive in Atlanta, marking US-China relations moment
Two giant pandas from China have landed in the United States and are heading to Zoo Atlanta.
Al Jazeera – Breaking News, World News and Video from Al Jazeera ·
Two players sent off for pulling rival's dreadlocks
Antigua and Barbuda players are red-carded for pulling Anguilla player Aedan Scipio's dreadlocks in a Concacaf Nations League game.
feeds.bbci.co.uk ·
Bangkok declared a ‘disaster zone’ after flooding, as rainstorms shift direction
Capital city submerged in waist-high flood water, while elsewhere Hurricane Nolo threatens Hawaii’s Big Island Bangkok was declared a disaster zone by its city officials towards the end of last week, after streets in Thailand’s capital city were submerged in up to waist-high floo
World news | The Guardian ·