With Apologies to Casimir

OCT 01, 1990

DOI: 10.1063/1.2810709

Daniel Kleppner

This article is only available in PDF format

More about the Authors

Daniel Kleppner. Research Laboratory of Electronics, MIT.

This Content Appeared In

Volume 43, Number 10

Related content

Opinion

Article

What does it mean to be a physicist right now?

The scientific enterprise is under attack. Being a physicist means speaking out for it.

October 01, 2025 12:00 AM

Opinion

Article

Behind the Cover: February 2023

Clogging can take place whenever a suspension of discrete objects flows through a confined space.

February 01, 2023 12:00 AM

Opinion

Article

New books: January 2023

A listing of newly published books spanning several genres of the physical sciences.

January 13, 2023 12:00 AM

Opinion

Article

Behind the Cover: January 2023

Unusual Arctic fire activity in 2019–21 was driven by, among other factors, earlier snowmelt and varying atmospheric conditions brought about by rising temperatures.

January 06, 2023 12:00 AM

Opinion

Article

The most popular Physics Today articles of 2022

This year’s Nobel Prize confirmed the appeal of quantum mysteriousness. And readers couldn’t ignore the impact of international affairs on science.

December 15, 2022 12:00 AM

Opinion

Article

The year in reviews: Books and more that stood out in 2022

Dive into reads about “quantum steampunk,” the military’s role in oceanography, and a social history of “square” physicists.

December 14, 2022 12:00 AM

Get PT in your inbox

Physics Today - The Week in Physics

The Week in Physics" is likely a reference to the regular updates or summaries of new physics research, such as those found in publications like Physics Today from AIP Publishing or on news aggregators like Phys.org.

Physics Today - Table of Contents

Physics Today - Whitepapers & Webinars