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Science

History of Galaxies and Stars Unravels in the World’s Biggest Survey

The birth of the universe is always a mystery, as are its stars and galaxies. A CUHK professor has played key roles in an international astronomers’ 6-year project to produce maps of 10,000 galaxies using a new fibre-bundling technology while also collecting data on 24,000 stars in the Milky Way to help assess star populations in more distant galaxies light years away……

Double Strength and Longer for End of Century Typhoons

Over the past 40 years, there has been a marked increase in powerful super typhoons in the Pacific like Typhoon “In-fa” and “Cempaka”. From analysing recent typhoons and making projections based on a high-resolution climate model, a CUHK research team revealed that typhoons in Asia could be more intense at landfall, last longer and potentially double their punch by the end of this century, and they will travel further inland and do much more damage if global warming continues……

FEATURE

Hard to Soft and Back Again – Smart Metamaterial Discovered

A material that can respond flexibly to external environment with freely adjustable properties of softness, hardness and size, shows promising potential for developing smart materials used in industrial or protective equipment. All this was once imaginary to many but it has been discovered by a CUHK physics team, using a unique network structure of packed particles to explore the topology of materials at the point of transition to elasticity…...

DeepThaw Yields Insights into the Melting and Collapsing Cryosphere

Current technology like satellite remote sensing is sharper and faster than the human eye in studying earth terrain for climate change effects but limited in detecting changes to landscape from massive and vast permafrost thawing. A CUHK geophysicist has developed an AI tool “DeepThaw”, a unique algorithm fed by massive numbers of satellite images to detect destabilised slopes over a wide area automatically to address the risk our cryosphere is facing……

FEATURE

Maths Theory Turned Practical to Map the Brain

A dedicated young professor has developed algorithms which compute out a pure maths theory into the real world. Computational Quasi-conformal geometry (CQC), which maps out images of human organs like the brain, can be used to accurately detect abnormalities. Doctors used to analyse medical images with their eyes, but now maths gives them an accurate, efficient picture in 3D……

Vaccine and Distancing in Tandem Vital Against Virus

Research results show that physical distancing can only be relaxed in ratio to the rate of vaccination in the city’s population until herd immunity is achieved. A CUHK team developed a social contact index (SCI) which quantifies the effect of distancing and vaccination combined, to bridge gaps between intervention measures and disease transmission……

Universal Ink – New World for Precise Chips Production

Advancing high-performance chips is the principal ambition of the semiconductor industry. Global demand for electronic products is buoyant. A recent study found that the average calligraphy ink is perhaps key to a low-cost, streamlined and environmentally friendly material deposition technology, helping to cope with the growing demand for chips with high applicability......

Beware Bad Health from “Hot Nights”

You fend off the heat on a scorching day but it's at night when you recover- or not, if that's hot too. Consecutive “hot nights” spell increased risk to health, even death, particularly in women and the elderly. Now Hong Kong researchers are telling metropolitan cities to be smart and improve urban greenery planning to combat “hot nights”……

Gravitational Waves from Dying Stars Clues to Origin of Life

Travelling from the core of collapsing stars, newly detected gravitational waves may tell us about the meltdown which leads to these massive supernovas. Thrust into the universe from the explosions of dying stars, their ashes give birth to new worlds, so understanding supernovas is a step to ultimately understanding our origins......

Full Genome of “Senzu” Revealed for the “Purrfect” Treatments

Thanks to “Senzu”, an American shorthair, and joint CUHK-Japanese research, precision veterinary medicine will be driven forward. Advanced genomic technology has produced a genome that is much more complete and genetically resembles modern cats more than the one that was published in 2007 from an Abyssinian, “Cinnamon”…..