Abstract: Under the excitation of acoustic radiation, the amount of energy absorbed and rebounded by cells have the relationship with mechanical properties, e.g. stiffness, shape, weight and so on. In ...
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I reviewed the xTool F2 Ultra dual laser engraver and the more I used it, the more I fell in love
The F2 Ultra is an interesting machine as it combines two laser types in one enclosed engraver. The first is a powerful 60W MOPA fibre laser used for engraving, embossing and cutting thinner metals, ...
Photovoltaic efficiency has come a long way over the decades, but there’s always room for improvement. A new study analyses how to make solar thermoelectric generators, or STEGs, more efficient by ...
Abstract: We demonstrate laser action from a waveguide fabricated in an Er:Yb-doped silicate glass using femtosecond laser inscription. Waveguides were fabricated using a diode-pumped Yb:glass ...
Department of Physics, College of Sciences, Shanghai University, Shanghai 200444, China and Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China Article ...
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