Articles by Lisa Zyga
Phys.org / Why does a spinning egg stand up?
If a hard-boiled egg is spun fast enough on a table, it will slowly stand upright as it continues to spin. Although the spinning egg rises due to the force of friction between the egg and the table, the full explanation involves ...
Phys.org / Surprising preference for simplicity found in common model
Researchers have discovered that input-output maps, which are widely used throughout science and engineering to model systems ranging from physics to finance, are strongly biased toward producing simple outputs. The results ...
Phys.org / Entangled LED first to operate in the telecom window
Researchers have demonstrated the first quantum light-emitting diode (LED) that emits single photons and entangled photon pairs with a wavelength of around 1550 nm, which lies within the standard telecommunications window. ...
Phys.org / Energy harvester collects energy from sunlight and raindrops
By attaching a transparent nanogenerator to a silicon solar cell, researchers have designed a device that harvests solar energy in sunny conditions and the mechanical energy of falling raindrops in rainy conditions. The dual ...
Phys.org / Maxwell's demon in the quantum Zeno regime
In the original Maxwell's demon thought experiment, a demon makes continuous measurements on a system of hot and cold reservoirs, building up a thermal gradient that can later be used to perform work. As the demon's measurements ...
Phys.org / New insight into nanopatterning diamond
The ability to etch nanostructures onto the surface of diamond is expected to have a wide variety of potential applications, but so far etching and patterning diamond at the nanoscale has been challenging, as diamond is highly ...
Phys.org / Sunlight funnel collects light from all directions
Researchers have designed a light-harvesting funnel that absorbs sunlight from any direction and concentrates it onto smaller areas, such as high-performance solar cells. By stacking multiple funnels, each tuned to a different ...
Phys.org / 'Two-way signaling' possible with a single quantum particle
Classically, information travels in one direction only, from sender to receiver. In a new paper, however, physicists Flavio Del Santo at the University of Vienna and Borivoje Dakić at the Austrian Academy of Sciences have ...
Phys.org / Walking crystals may lead to new field of crystal robotics
Researchers have demonstrated that tiny micrometer-sized crystals—just barely visible to the human eye—can "walk" inchworm-style across the slide of a microscope. Other crystals are capable of different modes of locomotion ...
Phys.org / Researchers create first superatomic 2-D semiconductor
Atoms are the basic building blocks of all matter—at least, that is the conventional picture. In a new study, researchers have fabricated the first superatomic 2-D semiconductor, a material whose basic units aren't atoms ...
Phys.org / Nanoparticles act as surgical blades for improved dental surgery
Currently, more than 80 nanotechnologies have been approved for a variety of medical applications, from treating cancer to bioimaging to tissue remodeling.
Phys.org / Stock market forces can be modeled with a quantum harmonic oscillator
Traditionally, a quantum harmonic oscillator model is used to describe the tiny vibrations in a diatomic molecule, but the description is also universal in the sense that it can be extended to a variety of other situations ...
Phys.org / Physicists extend stochastic thermodynamics deeper into quantum territory
Physicists have extended one of the most prominent fluctuation theorems of classical stochastic thermodynamics, the Jarzynski equality, to quantum field theory. As quantum field theory is considered to be the most fundamental ...
Phys.org / Organic vortex lasers could be used in future 3-D displays
Researchers have developed a new type of organic vortex laser, which is a laser that emits a helical beam of light. In the future, miniature arrays of these vortex lasers, each with a slightly different spiral shape, may ...
Phys.org / What causes ionic wind?
The phenomenon of ionic wind has been known about for centuries: by applying a voltage to a pair of electrodes, electrons are stripped off nearby air molecules, and the ionized air collides with neutral air molecules as it ...