David Chandler – Medium

David Chandler

David Chandler

We Went to the Moon

By David Chandler and Don Davis

Sep 27, 2022

We Went to the Moon

Sep 27, 2022

David Chandler

The Flat-Earth Psy-op

The modern day flat-earth “conspiracy theory” is not just a bizarre contrarian throwback, it’s a cynical con job with a high probability of…

Sep 18, 2022

The Flat-Earth Psy-op

Sep 18, 2022

David Chandler

Nice origami proof!

I was going to post my simple proof here, but I didn't see how to insert an image. So I posted the proof on my own Medium account. Here is…

May 21, 2021

May 21, 2021

David Chandler

A response to MathAdam’s proof of the Pythagorean Theorem

I was going to post this in the comments below Adam’s article on the paper folding proof of the Pythagorean Theorem, but I didn’t see how…

May 21, 2021

A response to MathAdam’s proof of the Pythagorean Theorem

May 21, 2021

David Chandler

Something to ponder:

The length of any side of any triangle divided by the sine of the opposite angle can be thought of as a constant for that triangle. What…

Mar 4, 2021

Mar 4, 2021

David Chandler

Alternative Sources of News and Information

Alternative Sources of News and Information

Mar 27, 2020

Mar 27, 2020

David Chandler

Free Fall — Part 6

by David Chandler

May 15, 2018

Free Fall — Part 6

May 15, 2018

David Chandler

Free Fall — Part 5

by David Chandler

May 13, 2018

Free Fall — Part 5

May 13, 2018

David Chandler

Free Fall — Part 4

by David Chandler

Apr 26, 2018

Free Fall — Part 4

Apr 26, 2018

David Chandler

Free Fall — Part 3

by David Chandler

Apr 21, 2018

Free Fall — Part 3

Apr 21, 2018

David Chandler

David Chandler

BS physics/MA education/MS math; retired from ~35 years teaching physics, math, & astronomy in high school and college.

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