On Time Errata

 

 

p. 51, first sentence of the full paragraph on the bottom: "The ability to create of elaborate mechanical..."

p. 100: "has remained almost unchanged SINCE its invention."

p. 164, last full paragraph: "...scientists in the early twentieth century WERE most interested in..."

p. 172 first line, second word: "a square meter" should be "a cubic meter."

This definition of the kilogram is, of course, now out of date; the definition of the “second” has also been revised.

p. 169: Cesium is the LEAST electronegative.

p. 172: The newton is the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force.