Transigita de en.wikipedia al Commons de Maksim.

Resumo

A new fuel cell developed at Argonne, called TuffCell, provides mechanical strength, easy fabrication and increased performance. Argonne chemist Laura Miller prepares the TuffCell sample for testing. Chemist Cecile Rossignol works in the background.

Argonne National Laboratory photo, http://www.anl.gov/Media_Center/Image_Library/images/thumb_TuffCell_27132D.jpg from: http://www.anl.gov/Media_Center/Image_Library/engtrans.html

Permesiloj:

This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag. العربية ∙ English ∙ français ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ русский ∙ українська ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−

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• (del) (cur) 15:24, 18 January 2006 . . en:User:Nrcprm2026 Nrcprm2026 ( en:User_talk:Nrcprm2026 Talk) . . 190x190 (26707 bytes) (A new fuel cell developed at Argonne, called TuffCell, provides mechanical strength, easy fabrication and increased performance. Argonne chemist Laura Miller prepares the TuffCell sample for testing. Chemist Cecile Rossignol works in the background. Arg)