Category Physics

Pictures, similar to this, were taken of the object from all angles to encompass the entire object and create an accurate model. Many aspects had to be utilized to produce usable images such as baby powder to eliminate the shine on the metal and a ruler to use as a scale. Credit: Pamela Krewson Wertz

What if it were possible to quickly and inexpensively create a part simply by using a series of close-range digital images taken of the object? A method called has now been identified for its application in manufacturing. In this technique, digital images of an object that have been taken at various angles are used to create a point cloud – or a large collection of points used to create 3D representation of existing structures – from which a computer-aided design (CAD) file can be generated...

Cross-sectional schematic view showing the detailed structural characteristics of a SGC hybrid particle.

A team affiliated with Ulsan National Institute of Science and Technology (UNIST), South Korea, claims to have made yet another step towards finding a solution to accelerate the commercialization of silicon anode for Lithium-ion batteries. A new approach developed by a team led by Prof. Jaephil Cho could hold the key to greatly improving the performance of lithium-ion batteries.

Prof. Cho and his team have developed a new type anode material that would be used in place of a conventional graphite anode, which they claim will lead to lighter and longer-lasting batteries for everything from personal devices to electric vehicles...

The Foldit puzzle-solving game, where groups compete online to fold the best protein. In a recent study, gamers beat scientists, college students and computer algorithms to see who could identify a particular protein’s shape. Credit: Scott Horowitz

Gamers playing the popular online puzzle game Foldit beat scientists, college students and computer algorithms in a contest to see who could identify a particular protein’s shape. The study findings have implications for video game enthusiasts and classroom instruction, and showcase the positive impact citizen science can have on research...

Credit: CC0 Public Domain

Typically when scientists make a measurement, they know exactly what kind of measurement they’re making, and their purpose is to obtain a measurement outcome. But in an “unrecorded measurement,” both the type of measurement and the measurement outcome are unknown. Despite the fact that scientists do not know this information, experiments clearly show that unrecorded measurements unavoidably disturb the state of the system being measured for quantum (but not classical) systems. In classical systems, unrecorded measurements have no effect.

Although the information in unrecorded measurements appears to be completely lost, Prof Michael Revzen and Prof Ady Mann have described a protocol that can retrieve some of the lost information...