Física

Undefined

El Big Bang, la Inflación y la naturaleza de la ciencia

Submitted by Ramón López Alemán on

Ramón López Alemán's picture

Había una canción de salsa muy famosa de Héctor Lavoe que decía “Todo tiene su final. Nada dura para siempre…”. Y es cierto. Pero como toda coordenada lineal el tiempo tiene dos direcciones: una hacia el futuro y otra hacia el pasado. Así que la contraparte temporal de ese aforismo es “Todo tiene su principio. Nada ha existido desde siempre.”

Must college science always be in English, even if I speak Spanish?

Submitted by Wilson Gonzalez-Espada on

Wilson Gonzalez-Espada's picture

The undisputed position of English as the “international language of science” has resulted in a push for its use in college science classrooms in non-English dominant contexts worldwide. This study uses classroom observation and interviews to examine the use of Spanish and English in college science classrooms at a land-grant university in Puerto Rico.

Using sounds to study astrophysics

Submitted by Wilson Gonzalez-Espada on

Wilson Gonzalez-Espada's picture

Frequently, science teachers ask their students to draw a scientist so that they can get a sense of what students think and imagine about scientists. Thousands and thousands of drawings show the same stereotypical characteristics: a male scientist, white, dressed in a lab coat, usually a chemist mixing liquids and generating explosions, and a person that does not have any physical limitations.

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