Ultracold cesium atoms reveal Bethe strings predicted nearly a century ago

In 1931, physicist Hans Bethe predicted that, in certain one-dimensional quantum systems, particles can bind together to form multi-particle states known as Bethe strings. Unlike ordinary molecules, which are held together by chemical bonds, Bethe strings arise purely from interactions between particles and exist only in one dimension. For decades, Bethe strings remained primarily a […]

Unified framework shows thermoelectric performance depends on more than the material itself

Thermoelectric materials can directly convert heat into electricity, making them promising for recovering waste heat from factories, vehicles and other sources. They can also transport heat when an electric current is applied through a phenomenon known as the Peltier effect. These properties have attracted considerable interest in energy-saving technologies and thermal management.

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Mo. city furloughs all police officers due to ‘financial crisis’

The Riverview Police Department has been “temporarily disbanded” amid the city’s financial crisis, officials stated; all of its officers have been furloughed for an estimated three months

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Wash. officers injured after stolen tractor-trailer strikes 5 cruisers

The suspect stole the truck and attempted to flee, hitting Everett PD and Snohomish County Sheriff’s Office cruisers; four police officers and one deputy were taken to a hospital

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Video: Calif. officer fatally shoots man stabbing women in alleged random attack

The suspect reportedly attacked the women after stabbing himself repeatedly; a Sacramento County Deputy fired shots after witnessing the suspect stabbing one of the victims

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Waymo pulls over, calls cops on juvenile riders carrying ghost gun

The San Francisco Police Department stated that two riders were detained; a rifle, marijuana and mace spray were found inside the vehicle

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Video: Police nab ‘cat burglar’ in Wash. home

Using a drone, Kirkland Police captured video showing that the intruder was actually a bobcat; the animal was captured and released into the wild

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Minn. laws allowed a mass shooter to renew gun permit

A harassment restraining order was granted against Carlton Johnson II in 2023 after allegations that he sexually assaulted and threatened to kill a woman

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‘It was surreal’: LEO was 2 days into NYPD training when 9/11 attacks threw him into action

Tom DaCosta was an NYPD recruit working a night shift at the academy; then, two days later, he was patrolling Grand Central Terminal, watching for signs of terrorism

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‘More than just a structure’: Fla. police unveil new $165M headquarters

The new Fort Lauderdale Police station, designed to withstand a category five hurricane, offers an open-air courtyard, community center and a state-of-the-art CSI lab

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Stalking by a large creature around family tents at midnight at Skookumchuck Reservoir (Report 82506)

Class B; May 2024 ; Washington, Thurston County

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Dusk sighting of a bigfoot 40 yards behind employee housing building at Lake Crescent Lodge (Report 82527)

Class A; 2006; Washington, Clallam County

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BWC: 2 Fla. deputies wounded in SWAT response as suspect fires through door

The suspect fired shots through a doorway as Hernando County deputies broke through a glass door to enter a home

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‘We took care of each other’: Officers across the country reflect on 9/11, 25 years later

Twenty-five years later, officers across the country are sharing the stories of where they served, who they lost and what they carried home from Sept. 11

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NYPD 9/11 memorial wall adds hundreds of new names as illness, disease take toll

A memorial unveiling at NYPD headquarters revealed the names of 469 officers who contracted illnesses while working the Ground Zero pile in the months after the attack, and later died

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