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Věda a technika

Wolfram|Alpha - computational knowledge engine
Wolfram|Alpha gives you access to the world's facts and data and calculates answers across a range of topics, including science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music, etc. (en)
Go beyond text with image and dataset input, file upload. Special character keyboards. Interact, customize, download and save results. (en)

National Aeronautics and Space Administration. (en)
The most comprehensive compilation of NASA stills, film and video. (en)

NASA Earth observatory
The Earth observatory's mission is to share with the public the images, stories, and discoveries about the environment, Earth systems, and climate that emerge from NASA research, including its satellite missions, in-the-field research, and models. (en)


Svátky a výročí
02.12. Blanka
03.12. Svatoslav
04.12. Barbora
05.12. Jitka
06.12. Mikuláš
07.12. Ambrož, Benjamín
08.12. Květoslava

Citáty a aforismy
Žena ti ochotně vyhoví ve všem, po čem sama touží.

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