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Photomechanical effect is the change in the shape of a material when it is exposed to light.This effect was first documented by Alexander Graham Bell in 1880. [1] More recently, Kenji Uchino demonstrated that a photostrictive material could be used for legs in the construction of a miniature optically-powered "walker".
PAGCOR announced that it will launch a global-facing online casino in early 2024 under its ‘Casino Filipino’ brand. [14] In August 2024, Supreme Court Justice Marvic Leonen granted Yeng Guiao's 2016 mandamus nullifying the Ramos-era Pagcor memorandum. It directed the Pagcor to remit 5% of its gross income per year to PSC from 1993. [15]
It evolved from the Estonian Science Photo Competition. The first global competition took place in 2017 [5] and is held every two years, [6] occurring for most countries around November or December. [7] [8] It has been called one of the most important photo competitions in the world. [9] The main organizer of the competition is Ivo Kruusamägi.
The results for AAP Magazine’s 45th photo contest are finally here, and they’re giving us serious wanderlust! With the theme of "Travels," this competition brought in thousands of stunning ...
Photoelastic model to validate the stiffener model. Isochromatic fringe patterns around a steel platelet in a photo-elastic two-part epoxy resin. Photoelasticity has been used for a variety of stress analyses and even for routine use in design, particularly before the advent of numerical methods, such as finite elements or boundary elements. [7]
Some materials exhibit decrease in photoconductivity upon exposure to illumination. One prominent example is hydrogenated amorphous silicon in which a metastable reduction in photoconductivity is observable. [2] Other materials that were reported to exhibit negative photoconductivity include molybdenum disulfide, [3] graphene, [4] and metal ...
A diamond cuboctahedron showing seven crystallographic planes, imaged with scanning electron microscopy Six classes of conventional engineering materials. Materials science is an interdisciplinary field of researching and discovering materials. Materials engineering is an engineering field of finding uses for materials in other fields and ...
A mechanics of materials model, introduced by Katherine Faber and Anthony G. Evans, has been developed to predict the increase in fracture toughness in ceramics due to crack deflection around second-phase particles that are prone to microcracking in a matrix. [23]