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A traditional ammeter shows the intensity of an electric current with the angular position of a pointer on a dial; in other words as a ratio of two lengths. A mercury or ethanol thermometer shows ambient temperature by the length of the column of liquid. A balance shows two bodies have different weights via the…
By Allan Carter NB Power, the province of New Brunswick’s power utility, has been raising some eyebrows over a decision to invest in a technology with unproven claims that it will produce clean energy through a new hydrogen-energy process called Hydrogen 2.0. According to CBC News, NB Power has invested $13 million in licensing fees…
In each month’s Critical Links, I will pose a “funny problem”. Some will be paradoxes; some will be weird things to think through. Generally they will have a popular science and philosophy feel, though some are taken from undergraduate-level discussions as well. Feel free to write back with comments, questions, and any feedback you wish….