Dictionary » O » Optics



That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.

Origin: Cf. F. Optique, L. Optice, Gr. (sc). See Optic.

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Oakley Files Patent overtrædelse retssag mod Nike nike til

... hendes bukser er åbent. [ex (amin) y (vores) z (ipper).] Optik (R) patent.Oakley 's nike free 3 nyeste krav mod Nike om tilsidesættelse af XYZ Optics (R) patenter svarer til dem angiveligt i juli 1997 i en særskilt jakkesæt verserer mod Nike. Oakley definerer sig selv omkring innovationer, ...

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by FosterEa
Wed Jul 16, 2014 12:04 am
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 194264

Re: Please help me decide which microscope to buy

An inverted scope has the optics below the stage, allowing you to get close (plastic-thickness) to the cells without dumping the objective into the culture media. This will probably limit the maximum magnification you can use, because ...

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by jonmoulton
Wed Nov 06, 2013 8:00 pm
Forum: General Discussion
Topic: Please help me decide which microscope to buy
Replies: 2
Views: 2776

Re: Extra Light For Compound Light Microscope ???

... http://en.wikipedia.org/wiki/Dark_field http://en.wikipedia.org/wiki/Fluorescence_microscope http://en.wikipedia.org/wiki/Optics

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by jonmoulton
Wed Jul 31, 2013 3:18 pm
Forum: Cell Biology
Topic: Extra Light For Compound Light Microscope ???
Replies: 1
Views: 2033

Re: Tools in Biology

... the material is distributed in the sample. However, to check for different excitation wavelengths and emission colors, you must switch part of the optics in the microscope. This is easy in most fluorescence microscope as you slide a different "cube" into the light path. A fluorescence ...

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by jonmoulton
Wed Mar 21, 2012 8:52 pm
Forum: General Discussion
Topic: Microscopy
Replies: 2
Views: 2375

Setting up a lab

... is OK (i use it for fungi) but gives you rather fuzzy pics at higher magnifications (above 200x). However, the latter microscope with integrated optics is really worth its price if you want to have more professional pics (way better contrast, sharp images even at higher magnifications) and videos ...

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by DanielSan
Mon Aug 08, 2011 6:55 am
Forum: Microbiology
Topic: Setting up a lab
Replies: 1
Views: 1826
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