Days Postings
August 2024 M T W T F S S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Blog Series
Copyright Notice
© Mark Biegert and Math Encounters, 2024. Publication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Mark Biegert and Math Encounters with appropriate and specific direction to the original content.
Disclaimer
All content provided on the mathscinotes.com blog is for informational purposes only. The owner of this blog makes no representations as to the accuracy or completeness of any information on this site or found by following any link on this site. The owner of mathscinotes.com will not be liable for any errors or omissions in this information nor for the availability of this information. The owner will not be liable for any losses, injuries, or damages from the display or use of this information.
Author Archives: mathscinotes
Ice Fishing Season is Now Over
Every night I walk around a lake by my house, which is still mainly frozen. The weather is warmer now, but you can still see some signs of the ice fishing that went on this winter. Yesterday afternoon, I chuckled … Continue reading
Inductive Car Sensor Math
Introduction Spring has come to Minnesota and I want to build an outdoor electronics project -- this is one of my favorite activities. I have decided to build a car sensor for my cabin in northern Minnesota. This car sensor … Continue reading
Posted in Cabin, Electronics
2 Comments
Kepler Planet Finding Probabilities
One of my favorite online magazines is +Plus. I was reading an article in +Plus today about how the Kepler satellite finds exoplanets and the article mentioned a simple formula for the probability of Kepler being able to detect a planet. I thought it would be interesting to discuss this formula here because it involves a simple formula that provides insight into cutting-edge science. Continue reading
6000 Meter Depth Rating on Ocean Search Gear
Quote of the Day The sea is notoriously unforgiving, but it reserves its harshest penalties for those who venture beneath its surface. — U.S. Navy veteran A.J. Hill I have been watching the news coverage of the search for the … Continue reading
Posted in Underwater
1 Comment
Frost Depth Deeper Than Normal This Winter
Quote of the Day Maybe not today..., maybe not tomorrow..., but someday... soon; ... and for the rest of your life ... - Rick Blaine, Casablanca. I was in my home town of Osseo this weekend to do some computer … Continue reading
Posted in Construction
1 Comment
Using a D-Size Battery String for a UPS Energy Source
Quote of the Day If there is one thing more than another for which I admire you, it is your original discovery of the Ten Commandments. — Thomas B. Reed to the youthful Theodore Roosevelt about his self-righteousness Introduction I … Continue reading
Posted in Batteries, Electronics
Comments Off on Using a D-Size Battery String for a UPS Energy Source
A Simple Frequency-to-Voltage Converter
Quote of the Day We are what we repeatedly do. Excellence, then, is not an act, but a habit. - Aristotle Introduction I often build small electronics projects for use around my home. I recently put together a small sensor … Continue reading
Posted in Electronics
41 Comments
Population Occurrence Frequency Math
Quote of the Day Do what you can, with what you have, where you are. — Theodore Roosevelt I was reading an article on autism and the article mentioned that autism is much more prevalent in boys than girls. This … Continue reading
Posted in General Science, Health
Comments Off on Population Occurrence Frequency Math
Paper Mechanism Project I Have to Build
I think this interrupted motion paper machine is really interesting. This is on my list for a project. If you want to see other projects like this, got Robert Ives' web site.
Posted in Paper Machines
Comments Off on Paper Mechanism Project I Have to Build