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Microrobot collectives display versatile movement patterns

A model for future biomedical and environmental applications

28-Apr-2022

Collective behavior and swarm patterns are found everywhere in nature. Robots can also be programmed to act in swarms. Researchers at the Max Planck Institute for Intelligent Systems (MPI-IS), Cornell University and Shanghai Jiao Tong University have developed collectives of microrobots which can ...

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Chemists harness the sun to upcycle plastic waste

Light, oxygen turn waste plastics into useful benzoic acid

14-Apr-2022

Chemists at Cornell University have discovered a way to use light and oxygen to upcycle polystyrene – a type of plastic found in many common items – into benzoic acid, a product stocked in undergraduate and high school chemistry labs and also used in fragrances, food preservatives, and other ...

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Chemists find path to cheap deployment of hydrogen fuel cells

New catalyst with near identical efficiency to platinum while costing 475 times less

07-Feb-2022

Hydrogen fuel cells—which can efficiently power cars, generators, and even spacecraft with minimal greenhouse gas emissions—are promising, renewable alternatives to combustion engines and other polluting forms of power. But fuel cells remain prohibitively expensive, because they rely upon ...

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Shifting meetings, conventions online curbs climate change

The annual carbon footprint for the global event and convention industry is on par with the yearly greenhouse gas emissions of the entire U.S.

22-Dec-2021

The COVID-19 global pandemic – unexpectedly – has shown humanity a new way to reduce climate change: Scrap in-person meetings and conventions. Moving a professional conference completely online reduces its carbon footprint by 94%, and shifting it to a hybrid model, with no more than half of ...

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Research guides future of plastic waste chemical recycling

22-Sep-2021

New research from Cornell University aims to ease the process of chemical recycling – an emerging industry that could turn waste products back into natural resources by physically breaking plastic down into the smaller molecules it was originally produced from. In a new paper, “Consequential Life ...

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Chemistry discovery could remove micropollutants from environment

Researchers made an unexpected breakthrough discovery

20-Jul-2021

Using a pioneering imaging technique, Cornell University researchers obtained a high-resolution snapshot of how ligands, molecules that bind to other molecules or metals, interact with the surface of nanoparticles. In doing so, they made an unexpected breakthrough discovery. They determined that ...

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The beginning of a new era in resolution

World record: Team of researchers has succeeded in achieving the world's highest electron microscope resolution to date

06-Jul-2021

Scientists at Cornell University (USA) have succeeded in building an electron microscope pixel array detector (EMPAD) with sophisticated 3D reconstruction algorithms that make it possible to multiply the resolution of a state-of-the-art electron microscope. The Leibniz-Institut für ...

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New material for splitting water

20-Jun-2018

Solar energy is clean and abundant. But when the sun isn't shining, you must store the energy in batteries or through a process called photocatalysis -- in which solar energy is used to make fuels. In photocatalytic water splitting, sunlight separates water into hydrogen and oxygen. The hydrogen ...

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Engineering team images tiny quasicrystals as they form

21-Aug-2017

When Israeli scientist Daniel Shechtman first saw a quasicrystal through his microscope in 1982, he reportedly thought to himself, "Eyn chaya kazo" -- Hebrew for, "There can be no such creature." But there is, and the quasicrystal has become a subject of much research in the 35 years since ...

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Energy-efficient accelerator was 50 years in the making

25-Jul-2017

With the introduction of CBETA, the Cornell-Brookhaven ERL Test Accelerator, Cornell University and Brookhaven National Laboratory scientists are following up on the concept of energy-recovering particle accelerators first introduced by physicist Maury Tigner at Cornell more than 50 years ...

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