Tags » Relativity

Relativity of Visual Elements

Placing the exact same Hello Kitty bandaid in various places on campus, I took 16 photos with my iPad. Depending on the background and how close I was to the subject, the color of the bandaid was more or less brighter and sharper. 133 more words


Conceptual Understanding in Introductory Physics V

This series continues with yet another question from introductory special relativity. I have seen this question asked many times in various places and unfortunately, have rarely seen the correct answer given. 147 more words


Human Nature: America

We grew up on Disney Channel and our role models told us to “follow our hearts” and “be true to who we really were.”

And yet they wonder why our culture is spiraling into Jersey Shore, 16 and Pregnant and Teen Mom.  150 more words

Building Up to Simultaneity (Activity)

Here’s a classroom activity intended to demonstrate the issue of simultaneity in measuring a stick’s length. Students need a calibrated metre stick (I’m trying to get into the habit of spelling it that way), another stick approximately 1/3 m long although the precise length is unimportant, two coins of the same denomination or two small pea-size balls of sticky clay or something similar, and a smooth tabletop. 1,154 more words



What is one? 1, the number one?
One tall stick, signifying one?
It’s more than half
But it’s less than two.
D   Ο   ΟΟ

One is first. 72 more words