Lifeboat Foundation

Physicists at the National Institute of Standards and Technology (NIST) and partners have demonstrated an experimental, next-generation atomic clock—ticking at high “optical” frequencies—that is much smaller than usual, made of just three small chips plus supporting electronics and optics.

Described in Optica, the chip-scale clock is based on the vibrations, or “ticks,” of rubidium atoms confined in a tiny glass container, called a vapor cell, on a chip. Two frequency combs on chips act like gears to link the atoms’ high-frequency optical ticks to a lower, widely used microwave frequency that can be used in applications.

The chip-based heart of the new clock requires very little power (just 275 milliwatts) and, with additional technology advances, could potentially be made small enough to be handheld. Chip-scale optical clocks like this could eventually replace traditional oscillators in applications such as navigation systems and telecommunications networks and serve as backup clocks on satellites.

Continue reading “NIST team demonstrates heart of next-generation chip-scale atomic clock” »

Hewlett Packard Enterprise (HPE) has a shiny new toy. The information technology firm announced today that is spending $1.3 billion to acquire supercomputer manufacturer Cray. HPE, which is a business-facing spin-off of the Hewlett Packard company, will instantly become a bigger presence in the world of academia and the federal government, where Cray has a number of significant contracts. It will also enable HPE to start selling supercomputer components to corporate clients and others.

It does so by converting audio into images instead of text.

Researchers at the University of Cambridge have uncovered a specialised population of skin cells that coordinate tail regeneration in frogs. These ‘Regeneration-Organizing Cells’ help to explain one of the great mysteries of nature and may offer clues about how this ability might be achieved in mammalian tissues.

It has long been known that some animals can regrow their tails following amputation—Aristotle observed this in the fourth century B.C. — but the mechanisms that support such regenerative potential remain poorly understood.

Using ‘single-cell genomics’, scientists at the Wellcome Trust/ Cancer Research UK Gurdon Institute at the University of Cambridge developed an ingenious strategy to uncover what happens in different tadpole cells when they regenerate their tails.

Continue reading “Scientists find new type of cell that helps tadpoles’ tails regenerate” »

https://youtube.com/watch?v=rozda1m1l1A

A groundbreaking project to tackle one of the world’s most pressing and complex health challenges—antimicrobial resistance (AMR)—has secured a $1 million boost. UTS will lead a consortium of 26 researchers from 14 organisations in the development of an AMR ‘knowledge engine’ capable of predicting outbreaks and informing interventions, supported by a grant from the Medical Research Future Fund.

“AMR is not a simple problem confined to health and hospital settings,” explains project Chief Investigator, UTS Professor of Infectious Disease Steven Djordjevic. “Our pets and livestock rely on many of these same medicines, so they find their way into the food chain and into the environment through animal faeces.”

Continue reading “AI-powered ‘knowledge engine’ a game-changer for antibiotic resistance” »

Scientists have discovered a new material that could hold the key to unlocking the potential of hydrogen powered vehicles.

As the world looks towards a gradual move away from fossil fuel powered cars and trucks, greener alternative technologies are being explored, such as electric battery powered vehicles.

Another ‘green’ technology with great potential is hydrogen power. However, a major obstacle has been the size, complexity, and expense of the fuel systems—until now.

Continue reading “New material could unlock potential for hydrogen powered vehicle revolution” »

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“High energy laser weapons have been a system that the United States has wanted to add into their defense portfolio since the invention of the laser,” said senior VP of contracts at Dynetics Ronnie Chronister in a press release.

The system was designed to defend against missiles, rockets and artillery, according to Defense News. It could also prove useful against military drones and other unmanned aircraft.

Continue reading “The U.S. Military Is Buying a $130 Million Laser Weapon” »

Experts at Vanderbilt University are working on exoskeleton suits for everyday life.

It’s the first brain-computer interface to synthesize an entire sentence.