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The solution was then cast on a holographic diffraction-grating master mould to obtain free-standing silk gratings with a grating pitch of 600 grooves per millimetre, as shown in Fig. 4.

Want to make some special chocolates this year, but don’t want to build an enrober? Get yourself a diffraction grating and make some rainbow goodies with melted chocolate.

School of Low-carbon Energy and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China ...

DALLAS — Watch the Dallas Mavericks vs. Toronto Raptors on KFAA on Saturday night at 6:30 p.m. Not sure how to watch? Here's a breakdown on how to tune in – and guarantee you get the clearest ...