During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...
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Forget the big light – our interiors expert tested the best portable lamps for cable-free ambience
Another clever feature is the accompanying remote control which powers the light on and off, dims the brightness between three subtly different settings (mine didn’t appear to change much) and ...
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