gpclements.com is a personal web site that has links to:

• Bible Studies
• My Physics and Miscellaneous Videos web site
• My Astronomy web site - Including Yearly List of Astronomical Events

Most Recent Videos Posted to YouTube:
Equinox 2 Smart Telescope and M51 Images with a Range of Exposure Times (6 minutes)This video gives a brief description of the Unistellar Equinox 2 Smart Telescope and then shows images of M51, the Whirlpool Galaxy, for a range of exposure times, 5 minutes to 83 minutes. The video includes cropped images of M51 for each exposure times. The Equinox 2 softwared does image processing using its "VVT" system. No image processing was done by me to the images other than cropping.

MicroComputers 1970s - Iowa 8080 Microcomputer 1977 - active in 2025 (20 minutes) This video gives a brief history of a few of the Intel microprocessors in the early 1970s. Then the video describes the 8080 microcomputer I built in 1977 as part of a class on microcomputers taught in the physics department of the U. of Iowa. Electronics catalogs of the 1970s are shown. My invoices for parts are shown. Pictures of the computer boards and S100 bus are shown. Long-term storage was done on cassette tapes. The video shows the output from my computer in July 2025. The keyboard no longer sends correct signals to the CPU. The computer was working perfectly in 2020.

• Miscellaneous:
  • My Academic Background
  • Some Clements Genealogy, Somerset, England
  • A Calendar Utility Program
  • Links for Local Weather
• Sites I found useful for Chemistry ,... Computing ,
• ...... Internet ,... Math ,... Web Pages.

Image Credit: Lunar Planetary Lab / Wiki Commons
The Astronomy link will take you to astronomy.gpclements.com where there are links for my Astronomy class, Amateur Astronomy, and Astronomy in general.
There are also links to over 150 YouTube videos of my astronomy mini-lectures and some sample problems.


Credit: Dominique Toussaint / Wiki Commons
At physics.gpclements.com you will find links related to physics, chemistry, math, Internet, and teaching.
There are also links to over 300 YouTube videos that have my physics mini-lectures and example problems.

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For questions, comments or suggestions regarding the web page please send email to the address:
gregnebr (then type the @ symbol) gmail.com