Author: John O'Riordan

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Study calls 200-year-old law about gas mixtures into question

According to a new study led by a team from The University of New Mexico, centuries-old laws about the behavior of gas mixtures do not apply in the presence of shock waves. […]

Shape-programmable dielectric liquid crystal elastomer actuators

Materials scientists aim to use bioinspired soft robots to carry out advanced interactions between humans and robots, but the associated technology remains to be developed. For example, soft actuators must perform quickly with force to deliver programmable shape changes and the devices should be easy to fabricate and energy efficient for untethered applications. In a new report on Science Advances, Zoey S. Davidson and an interdisciplinary research team in the departments of Physical Intelligence, Materials Science and Engineering, and the School of Medicine in Germany, U.S. and Turkey, combined several characteristics of interest using two distinct active materials systems to build soft robots. […]

Liquid flow is influenced by a quantum effect in water

Researchers at EPFL have discovered that the viscosity of solutions of electrically charged polymers dissolved in water is influenced by a quantum effect. This tiny quantum effect influences the way water molecules interact with one another. Yet, it can lead to drastic changes in large-scale observations. This effect could change the way scientists understand the properties and behavior of solutions of biomolecules in water, and lead to a better understanding of biological systems. […]

Gamma-ray laser moves a step closer to reality

A physicist at the University of California, Riverside, has performed calculations showing hollow spherical bubbles filled with a gas of positronium atoms are stable in liquid helium. […]

Fish scattering sound waves has impact on aquaculture

Schools of fish can scatter sound waves, which has impacts on fish farming. Fisheries acoustics have been studied for over 40 years to assess biomass and optimize aquaculture applications. […]