Sunday, July 25, 2010

AC or DC?

Today in Telluride I had some free time and so I hiked up the valley towards Bridal Veil falls. It turns out this is a very historic location because it is the location of the worlds first commercial AC power plant. It was built by Westinghouse and Nikola Tesla. This led to "the war of currents" with General Electric Current (headed by Thomas Edison and J.P. Morgan) who were advocating DC power.

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A golden age for precision observational cosmology

Yin-Zhe Ma gave a nice physics colloquium at UQ last week, A Golden Age for Cosmology I learnt a lot. Too often, colloquia are too speciali...