[Taxacom] Foldscope anyone?

[But Paul]

Microscopes that sell less than $1 --Foldscopes  http://www.ted.com/talks/manu_prakash_a_50_cent_microscope_that_folds_like_origami#t-549741

Paul But




"Dan Lahr" <dlahr at ib.usp.br> 於 2014年3月30日 4:12 寫道：

> Honestly, this sounds like a really cool initiative!
> 
> __________________________________
> Daniel J. G. Lahr
> PhD, Assist. Prof.
> Dept of Zoology, Univ. of Sao Paulo, Brazil
> Office number: + 55 (11) 3091 0948
> http://www.ib.usp.br/zoologia/lahr/
> 
> 
> 
> On Sat, Mar 29, 2014 at 7:26 AM, Vladimir Blagoderov <vblago at gmail.com>wrote:
> 
>> It depends, of course, on the way you calculate magnification. When you
>> project image it may be even higher. Theoretically spherical lens can work
>> at diffraction limit and will resolve details of ~1/2 wave length. The
>> instrument is basically reincarnation of Leeuwenhoeck microscope.
>> 
>> Cheers,
>> 
>> Vlad
>> 
>> 
>> --
>> Dr Vladimir Blagoderov, FLS
>> Department of Life Sciences
>> The Natural History Museum
>> Cromwell Road, London
>> SW7 5BD, UK
>> Tel: +44 (0) 207 942 6629 (office)
>> Tel: +44 (0) 207 942 6895 (SBIL)
>> Fax: +44 (0) 207 942 5229
>> 
>> e-mail:
>> vlab at nhm.ac.uk
>> vblago at gmail.com
>> 
>> Fungus Gnats Online:
>> www.sciaroidea.info
>> 
>> 
>> On 29 March 2014 06:55, Thomas Simonsen <t.simonsen at nhm.ac.uk> wrote:
>> 
>>> The magnification claim (2000x) is certainly fantastic since the max
>>> optical magnification in visible light is roughly 400x...
>>> 
>>> Thomas
>>> ________________________________________
>>> From: taxacom-bounces at mailman.nhm.ku.edu [
>>> taxacom-bounces at mailman.nhm.ku.edu] on behalf of Dilrukshan Wijesinghe [
>>> dpwijesinghe at yahoo.com]
>>> Sent: 29 March 2014 03:07
>>> To: taxacom at mailman.nhm.ku.edu; ENTOMO-L
>>> Subject: [Taxacom] Foldscope anyone?
>>> 
>>> Has anyone actually used a "Foldscope" (http://www.foldscope.com/)? The
>>> claims about it (assembly, cost, optical capabilities) all seem a bit
>>> fantastic.
>>> 
>>> Priyantha
>>> 
>>> D. P. Wijesinghe
>>> dpwijesinghe at yahoo.com
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>>> 
>>> Celebrating 27 years of Taxacom in 2014.
>>> _______________________________________________
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>>> 
>>> Celebrating 27 years of Taxacom in 2014.
>> _______________________________________________
>> Taxacom Mailing List
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>> The Taxacom Archive back to 1992 may be searched at:
>> http://taxacom.markmail.org
>> 
>> Celebrating 27 years of Taxacom in 2014.
> _______________________________________________
> Taxacom Mailing List
> Taxacom at mailman.nhm.ku.edu
> http://mailman.nhm.ku.edu/mailman/listinfo/taxacom
> The Taxacom Archive back to 1992 may be searched at: http://taxacom.markmail.org
> 
> Celebrating 27 years of Taxacom in 2014.