News tagged with optical

The art of hand-polishing precision optics

Growing up in a household of artists and engineers, Peter Thelin was destined for a career in which artistry mattered. Only for him, art has come in the form of manipulating the shapes, sizes and qualities of optics. And ...

dateMay 25, 2015 in Optics & Photonics
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Holes in gold enhance molecular sensing

Non-metallic mesoporous structures have already demonstrated potential for applications in gas storage, separation, catalysis, ion-exchange, sensing, polymerization and drug delivery. Metal mesoporous films ...

dateMay 19, 2015 in Nanomaterials
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Giving freight rail tracks a boost

The big chunks of rock—crushed limestone or dolomite that engineers call ballast—that keep railroad tracks in place look like a solid footing even as freight cars rumble overhead.

dateMay 15, 2015 in Engineering
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