npic.orst.edu/index.html 2/11/2023 National Pesticide Information Center (NPIC) provides objective, science-based information about pesticides and pesticide-related topics to enable people to make informed decisions about pesticides and their use.
www.dannen.com 17/02/2022 Gene Dannen writes about physicist Leo
Szilard, physics, and nuclear history.
www.smeter.net 21/06/2020 Welcome to the S-Meter Website. Check your
signal and listen to others on remote receivers. Read thousands of pages of ham
radio information. Download malware-free radio-related design software.