# The Ultimate Speed: An Exploration with High Energy Electrons

Made for the Science Teaching Center, M.I.T., as a part of a series on relativity

With report of experiment

Director, Quentin Brown; photographer, Abraham Morochnik

William Bertozzi investigates the relationship between the kinetic energy of electrons and their speed for the range of accelerating voltages 0.5 Mev to 15 Mev, measuring the speed of the electrons by time-of-flight techniques, and the kinetic energy of the electrons by calorimetric means. Explains that the results indicate a limiting speed equal to that of light, in agreement with the theory of special relativity

- Kind: Educational
- Year: 1966
- By: Educational Services, Inc
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/theultimatespeedanexplorationwithhighenergyelectrons)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/theultimatespeedanexplorationwithhighenergyelectrons?play=1)