Figure 2: Pennies after cleaning.

Cleaning Pennies with Taco Sauce

28 Mar 2019 · by · in

I have been collecting old pennies for a science experiment.   (The composition of the penny changed in 1982, which changed the weight slightly, and I will soon have a student exercise that makes use of that weight difference.  Stay tuned…) …

Vernal Equinox 2019

25 Mar 2019 · by · in , ,

What a difference a year makes. Last year I made a time-lapse video of the Vernal equinox in Wooster Hall by standing next to a wall and taking a photo about once a minute for an hour. This year I…

The views and opinions expressed by the authors and other contributors to this blog are theirs alone, and do not necessarily reflect the official policies or positions of SUNY New Paltz or any employee thereof.
Skip to toolbar