Instructional Video5:09
Physics Girl

Is energy always conserved?

9th - 12th
When light passes through the universe and is redshifted by the expansion of space itself, how is energy conserved? The stretched light has a longer wavelength and therefore a lower energy. Is energy conserved? If so, where does it go?
Instructional Video7:01
CuriosaMente

12 Mujeres que transformaron la ciencia

9th - 12th
Conoce a 12 mujeres que cambiaron la historia de la ciencia.

Video sobre de mujeres en la ciencia por el 11 de febrero, Día Internacional de la Mujer y la Niña en la Cie
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Es importante destacar el Día Internacional de...