Click above to listen to part 1 of For Good Measure, featuring Jon Pratt, Mechanical engineer and engineer and Chief of the Quantum Measurement Division of the Physical Measurement Laboratory (PML) at the National Institute of Standards and Technology, judging the utility of three different proposals for measuring a banana, presented by astronomer Simon Steel, geologist Sarah Derouin, and musician Gary Niederhoff.
For Good Measure:
Part 1: The Banana Challenge
Part 2: Jon Pratt / The Old Kilogram
Part 3: Wolfgang Ketterle / The New Kilogram
Part 4: Simon Winchester / The Price of Precision
