This is a schematic of the functionalization of the nanoparticles along with photographic images of the water droplets on spray-coated microscope slides. An environmentally friendly superhydrophobic coating to superhydrophilic coating for antifogging and antifouling according to scientists at Swansea University. Credit: Shirin Alexander Swansea University ‘Green’ project led by Swansea scientists could replace more expensive

UT Austin researchers used a magnet and nanoparticles to separate oil from water in seconds. Credit: Cockrell School of Engineering When oil mixes with or enters into water, conventional methods of cleaning the water and removing the oil can be challenging, expensive and environmentally risky. But researchers in the Cockrell School of Engineering at The

Polymeric pigments were produced by guided oxidation of peptide assemblies. Credit: Matej Vakula, NYC Scientists have long known that melanin — the pigments that give color to skin, hair and eyes — has numerous useful qualities, including providing protection from cancer-causing UV radiation and free radicals, but also electronic conductance, adhesiveness and the capacity to

This is a figure illustrating that polymer crystallization speed can be used to control the spatial distribution of nanoparticles. Impurities (here, the nanoparticles) will become engulfed by the crystal if it grows too rapidly. However, when the rate slows, the crystal will expel the defects. Credit: Sanat Kumar/Columbia Engineering Researchers at Columbia Engineering have demonstrated

As a mouse moves, or translates, forward optical flow radiates around him from a single point in front. When the mouse rotates, optical flow is horizontal all the way around, appearing forward in one eye but backward in the other. Credit: Berson et. al./Brown University Think of the way that a long flat highway seems

Photosystems (PS) I and II are large protein complexes that contain light-absorbing pigment molecules needed for photosynthesis. PS II captures energy from sunlight to extract electrons from water molecules, splitting water into oxygen and hydrogen ions (H+) and producing chemical energy in the form of ATP. PS I uses those electrons and H+ to reduce

Humpback whales. Credit: © Nancy / Fotolia In a recent paper published in PLOS One, Saint Louis University professor of physics Jean Potvin, Ph.D., and biologist Alexander Werth, Ph.D. at Hampden-Sydney College, detail for the first time how baleen whales use crossflow filtration to separate prey from water without ever coming into contact with the

Innsbruck physicists have observed an intriguing oscillatory back-and-forth motion of a quantum particle in a one-dimensional atomic gas. Credit: Florian Meinert A ripe apple falling from a tree has inspired Sir Isaac Newton to formulate a theory that describes the motion of objects subject to a force. Newton’s equations of motion tell us that a

In the new quantum test of the Einstein equivalence principle, free fall of atoms in quantum superpositions on different mass-energies, |a> and |b>, was compared to the free fall of atoms with a well-defined, classical mass-energy |a>. In all previous tests of this principle, the objects were in classical mass-energy states. Credit: Dr Magdalena Zych

The flow of polaritons encounters an obstacle in the supersonic (top) and superfluid (bottom) regime. Credit: Polytechnique Montreal Scientists have known for centuries that light is composed of waves. The fact that light can also behave as a liquid, rippling and spiraling around obstacles like the current of a river, is a much more recent

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