Bitacora #CiberDemosCratos #20201014.

 #CiberDemosCratos #20201014.

#FotoDelDía:

University of California, 

San Diego's Geisel Library, 

named for Theodor Seuss Geisel ("Dr. Seuss")

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Llamado 

para los ciudadanos de 

Hidalgo y de Coahuila:

… 13:22

@lopezobrador_

@GobiernoMX

The Climatron is a greenhouse 

enclosed in a geodesic dome 

that is part of the Missouri Botanical Garden 

in St. Louis. 

Initiated by then Garden director Frits W. Went, 

the dome is the world's first completely 

air-conditioned greenhouse 

and the first geodesic dome 

to be enclosed 

in rigid Plexiglass (Perspex) panels. 

Completed in 1960, 

it was designed by T. C. Howard, 

of Synergetics, Inc., Raleigh, North Carolina.

The broad climatic range 

within the dome, 

which recreates a lowland rain forest, 

is achieved by sophisticated climate controls 

without using interior partitions.

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Poly(methyl methacrylate) (PMMA), 

also known as acrylic, or acrylic glass, 

as well as by the trade names 

Crylux, Plexiglas acrylic, Acrylite, 

Astariglas, Lucite, Perclax, 

and Perspex, 

among several others, 

is a transparent thermoplastic 

often used in sheet form 

as a lightweight or shatter-resistant alternative to glass.

https://en.wikipedia.org/wiki/Poly(methyl_methacrylate)

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#CiberDemosCratos #20201014.

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