Skip Nav Destination
Issues
February 1955
ISSN 0002-9505
EISSN 1943-2909
PAPERS
NOTES AND DISCUSSIONS
LETTERS TO THE EDITOR
BOOK REVIEWS
RECENT MEETINGS
A simple model of a gravitational lens from geometric optics
Bogdan Szafraniec, James F. Harford
Playing with active matter
Angelo Barona Balda, Aykut Argun, et al.
The physics of “everesting” on a bicycle
Martin Bier
The hardest-hit home run?
Donald C. Warren