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Nobel-winning physicist Arthur Ashkin, Ph.D. ’52, dies at 98

Arthur Ashkin, Ph.D. ’52, who won the Nobel Prize in physics in 2018 for pioneering “optical tweezers” that use laser light to capture and manipulate microscopic particles, died Sept. 21 at his home in Rumson, N.J. He was 98.

 Colored balls representing atoms in a lattice

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Researchers identify new type of superconductor

“This experiment really shows the possibility of this new type of superconductor that we had never thought about before.”
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Superfluid shows more surprising phenomena

The superfluid helium-3 has many notable qualities. With its low mass and small atomic size, it remains in a liquid state – and when it transforms to the superfluid state, flowing without resistance – down to absolute zero, or minus 459.67 degrees Fahrenheit. It is a pure system, without any disorder. And it is full of surprises.

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Alumni-fueled startups pitch clean-energy solutions

New York’s Southern Tier is getting a jolt of clean-energy innovation, fueled by  Cornell alumni.

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Laser jolts microscopic electronic robots into motion

These walking robots, roughly the size of a paramecium, can be mass produced, and may someday travel through human tissue and blood.
 Abstract shape pattern in blue, green, and yellow

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Graphene sensors find subtleties in magnetic fields

As with actors and opera singers, when measuring magnetic fields it helps to have range.

Cornell researchers used an ultrathin graphene “sandwich” to create a tiny magnetic field sensor that can operate over a greater temperature range than previous sensors, while also detecting miniscule changes in magnetic fields that might otherwise get lost within a larger magnetic background.

 Lights connecting places on a dark planet

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McMahon, Ramshaw named CIFAR Azrieli Global Scholars

Peter McMahon, assistant professor of applied and engineering physics in the College of Engineering, and Brad Ramshaw, the Dick & Dale Reis Johnson Assistant Professor of Physics in the College of Arts and Sciences, have been named CIFAR Azrieli Global Scholars.

 Black and white image of person leaning on desk, arms crossed

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Harold Scheraga, protein chemistry pioneer, dies at 98

Harold A. Scheraga, the George W. and Grace L. Todd Professor Emeritus of Chemistry in the College of Arts and Sciences, who had a profound impact shaping the understanding of protein structure, died Aug. 1 in Ithaca. He was 98.

 tightly wound metal coil pattern

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Electrons obey social distancing in ‘strange’ metals

The chaotic behavior of Planckian, or “strange,” metals has long intrigued physicists.
 Person in lab coat operating machinery

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From fashion to fertility: CCMR pairs NY startups with faculty

Unlike many stories about technological revolutions and industry disrupters, this one begins in a mall.

Originally from Guyana, South America, Andrea Madho had a successful career as a stockbroker on Wall Street before transitioning to tech-sector public relations and business development.

On this particular shopping trip in 2015, she just wanted to buy clothing that fit.

 Beaker of green liquid attached to a small generator

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Electrochemical reaction powers new drug discoveries

The reaction that this work resulted in has eluded organic chemists for decades.
 Bright blue lines against a dark background

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Researchers control elusive spin fluctuations in 2D magnets

Like Bigfoot and the Loch Ness monster, critical spin fluctuations in a magnetic system haven’t been captured on film. Unlike the fabled creatures, these fluctuations – which are highly correlated electron spin patterns – do actually exist, but they are too random and turbulent to be seen in real time.

 Illustration of E. coli bacterium

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Researchers track how bacteria purge toxic metals

The knowledge could lead to the development of more effective antibacterial treatments.
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Merrill Scholars near and far honor their teachers, mentors

As a first-generation college student whose family – refugees from Indonesia – arrived in Harrisburg, Pennsylvania, when he was only a year old, Malikul Muhamad ’20 credits his teachers and professors with helping him chart a successful course through uncertainty and new experiences.

 Diagram including a large purple triangle

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Game theory suggests more efficient cancer therapy

Cancer cells not only ravage the body – they also compete with each other.

Cornell mathematicians are using game theory to model how this competition could be leveraged, so cancer treatment – which also takes a toll on the patient’s body – might be administered more sparingly, with maximized effect.

 Microsensors

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Mass-produced microscopic sensors see the light

Theologians once pondered how many angels could dance on the head of a pin. Not to be outdone, Cornell researchers who build nanoscale electronics have developed microsensors so tiny, they can fit 30,000 on one side of a penny.

 A man wearing protective gear in a lab

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CNF jump-starts startups in New York state

Electroplating – the process of using electricity to deposit one metal onto another – originated in the 19th century and can be found in everything from pennies to gold-topped cathedrals.

 complicated hexagonal machine

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CMS upgrade will shine light on Higgs boson

Cornell is leading a $77 million effort, beginning April 1, to upgrade the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN).

 Boxes of donations with a sign saying "NY Get Well Soon"

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Campus community donates essential medical supplies

“We’re so happy to do our small part to support the essential and heroic work being done by the health care professionals."
 A halo of luminous green that depicts protein motion

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Researchers map protein motion

Cornell structural biologists took a new approach to using a classic method of X-ray analysis to capture something the conventional method had never accounted for: the collective motion of proteins. And they did so by creating software to painstakingly stitch together the scraps of data that are usually disregarded in the process.

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