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  • Scientists freeze quantum motion using ultrafast laser trick
    Harvard and PSI scientists have managed to freeze normally fleeting quantum states in time, creating a pathway to control them using pure electronic tricks and laser precision.
  • Researchers develop recyclable, healable electronics
    Electronics often get thrown away after use because recycling them requires extensive work for little payoff. Researchers have now found a way to change the game.
  • Ultra-thin lenses that make infrared light visible
    Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light.
  • Engineers develop self-healing muscle for robots
    Students recently unveiled their invention of a robotic actuator -- the 'muscle' that converts energy into a robot's physical movement -- that has the ability to detect punctures or pressure, heal the injury and repair its damage-detecting 'skin.'
  • Listening to electrons talk
    Researchers present new experimental and theoretical results for the bound electron g-factor in lithium-like tin which has a much higher nuclear charge than any previous measurement. The experimental accuracy reached a level of 0.5 parts per billion. Using an enhanced interelectronic QED method, the theoretical prediction for the g-factor reached a precision of 6 parts […]
  • Waste to foundation: Transforming construction waste into high-performance material
    In a major advancement for sustainable construction, scientists have created a cement-free soil solidifier from industrial waste. By combining Siding Cut Powder and activated by Earth Silica, an alkaline stimulant from recycled glass, scientists produced a high-performance material that meets compressive strength standards exceeding the 160 kN/m construction-grade threshold and eliminates arsenic leaching through calcium […]
Off-topic, Physics

Sorting Vallejo Paints with Machine Learning

This article explores how to visually sort color collections using both statistics and machine learning. After experimenting with PCA for dimensionality reduction and simple color ordering, I shifted to XGBRanker, a machine learning method that learns personalized color preferences. By comparing these approaches, I aimed to find a method that ...
Off-topic, Physics

K-Means Clustering for Colors

Discover how K-Means clustering helps analyze and evaluate Vallejo Model Color paints using Rembrandt’s masterpiece as a case study. Learn to identify gaps in your paint collection and find essential colors for your palette.
Fig. 2. A 3D cylindrical representation of the HSV model. The third component, value (brightness), is represented by the height of the cylinder. This image shows only horizontal slices (circles) at intervals of 0.2 along the value axis.
Off-topic, Physics

HSV color chart for vallejo paint

Curious how your paints stack up in color space? I analyzed my Vallejo paints by converting RGB values to HSV, visualizing them in 3D, and clustering them to identify dominant groups. Learn how to optimize your miniature paint collection using data-driven insights while keeping your hobby creative and fun.
Fig. 9: Packaging Technology Timeline. A chronological overview showing the evolution of different semiconductor packaging types over time.
Off-topic, Physics

Semiconductor Packaging Technology

Wire bonding and flip-chip packaging represent two fundamental approaches to chip interconnection. While wire bonding offers simplicity and cost benefits, flip-chip allows higher density and faster signals. Adhesive and solder-based methods help balance thermal expansion and reduce stress. The industry continues shifting toward compact, high-performance packaging formats.
Featured image of the post on Electron Paramagnetic Resonance spectroscopy
Off-topic, Physics

Electron Paramagnetic Resonance spectroscopy

Electron paramagnetic resonance (EPR) spectroscopy, also called electron spin resonance (ESR), is a technique for studying materials with unpaired electrons, such as organic and inorganic radicals, and transition metal complexes. It functions by detecting magnetic properties of electrons. This post covers the science of EPR, its key components, real-world applications, ...
Featured Image of Einstein
Off-topic, Physics

Einstein, Politics and Science

The first world war (WWI) started in august 2014, and the German army proceeded very fast through Belgium. This rapid progression created a problem in the cities that were already captured, as the main army moved on to other locations. Harsh measures were taken to avoid any kind of resistance. ...
Niels Bohr, Einstein and Heisenberg all together
Off-topic, Physics

History of Physics (1895 – 1945)

Physics has always been an interesting topic, but it was during a span of only 50 years that physics completely changed the world. The movie "Oppenheimer" showed in great detail the history of what happened and how they got to the atomic bomb. But this is only part of the ...
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