News tagged with optical microscope

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Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

dateMay 08, 2013 in General Physics
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Heart-shaped nano beads

(Phys.org)—Biotechnologists at the National Physical Laboratory (NPL) specialise in the measurement of biomolecules in solution, at interfaces and in cells and tissues. They examine the benefits and limitations of different ...

dateFeb 14, 2013 in General Physics
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