Betting on Batteries (Part2)

by Joshua Israelsohn
Contributing Technical Editor
February 15, 2008

The last installment of The Casual Observer examined batteries–the oft-maligned portable energy source on which many of our modern electronic devices depend. I observed then that, kilogram for kilogram, modern cells are the most space- and mass-efficient portable sources of electrical energy to which we have ready access. One possible cause for their poor reputation is that we tend to think of them as voltage sources–a role they play rather poorly. But as energy sources ... read more

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