Measurement confirms proton's dwindling radius

01/25/2013 | New Scientist

A new precise measurement has confirmed that the proton's radius is smaller than once believed. The debate began in 2010 when scientists replaced an hydrogen atom's electron with a muon, allowing them to determine that the proton's radius was 4% smaller than previously measured. The experiment was repeated two years later and determined to be even more precise.

View Full Article in:

New Scientist

Published in Brief:

SmartBrief Job Listings for Education

Job Title Company Location
School District of Philadelphia - Director, Observation and Feedback Coaches Program
School District of Philadelphia
Philadelphia, PA
Research Scientist
NWEA
Portland, OR
Opportunities for Former Teachers and Administrators with PLC Experience
Learning Sciences International
Nationwide, SL_Nationwide
Instructional Designer, ESL
Imagine Learning, Inc.
Provo, UT
Account Executive, National Accounts
NWEA
Nationwide, SL_Nationwide