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 ...

dateFeb 14, 2013 in General Physics
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Better lasers for optical communications

A new laser procedure could boost optical fiber communications. This technique could become essential for the future expansion of the Internet. It also opens up new frontiers in basic research.

dateApr 12, 2011 in Nanophysics
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Where droplets gently touch a membrane

(PhysOrg.com) -- Little or nothing happens in cells without the involvement of the minute membrane vesicles: for example, vesicles act as recycling centres for cell waste, as detoxification stations and as ...

dateFeb 24, 2010 in General Physics
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