by Ingrid Fadelli | Apr 1, 2025 | Condensed Matter, General Physics, PHYS.ORG, Physics
The Mpemba effect is an intriguing physical phenomenon that causes some systems to cool faster when they are hot than when they are warm or colder. This effect was observed in various systems, including water, which sometimes freezes faster when it is hot than when it...
by Ingrid Fadelli | Apr 1, 2025 | Condensed Matter, PHYS.ORG, Physics, Plasma Physics
Amplified spontaneous emission is a physical phenomenon that entails the amplification of the light spontaneously emitted by excited particles, due to photons of the same frequency triggering further emissions. This phenomenon is central to the functioning of various...
by Ingrid Fadelli | Apr 1, 2025 | Optics & Photonics, PHYS.ORG, Physics, Quantum Physics
Light-emitting diodes (LEDs) are widely used electroluminescent devices that emit light in response to an applied electric voltage. These devices are central components of various electronic and optoelectronic technologies, including displays, sensors and...
by Ingrid Fadelli | Apr 1, 2025 | Machine learning & AI, Robotics, TECHXPLORE
Over the past decades, roboticists have introduced a wide range of systems with distinct body structures and varying capabilities. As the number of developed robots continuously grows, being able to easily learn about these many systems, their unique characteristics,...
by Ingrid Fadelli | Apr 1, 2025 | MEDICALXPRESS, Neuroscience, Psychology & Psychiatry
Over the course of their lives, humans and other animals typically learn to avoid situations and stimuli that are dangerous or are perceived as threatening. Past neuroscience studies have gathered evidence suggesting that the medial prefrontal cortex (mPFC), a brain...
