YSZ-4 Electronic Clock

YSC-4 Electronic Clock

I’ve just completed building a small electronic clock from a kit, the YSC-4 kit from HiLetgo, which I was able to purchase from Amazon1 for under $9.   My interest in this kit was to find something simple that is nevertheless…

PODS (Portable On Demand Storage) units.

Welding Ventilation Estimate

I have been investigating the requirements for students to be able to weld on campus, which is needed for our Baja SAE team, for projects for our Engineering Senior Design course, and for other various engineering projects.  One of the…

Wooster Hall from above.

Wooster Hall Rooftop Mystery

A few weeks ago I visited Wooster Hall with a time-lapse camera to try to see what happens to the light from the skylight over the main staircase at solar noon on the Winter Solstice.  I was a few days…

Wooster Hall skylight on 18 December 2018

Winter Solstice in Wooster Hall

Wooster Hall at SUNY New Paltz has a neat feature:  the main staircase is aligned directly North/South, and skylights are positioned above it so that at solar noon on the equinoxes the bottom of the staircase is illuminated by four…

Starfish requires third party cookies

Starfish requires third party cookies

Our campus has recently started using a tool called Starfish Early Alert to track students who are having difficulties, especially those in danger of failing.   It can also be used to give kudos, and for other things, like scheduling office…

Running a task at a specified time on a Mac

Unix computers have a simple command-line feature called “at” which lets you schedule a command, or a series of commands, to be run at a specific time.    For example, if you want to download a large file in the…

Raspberry Pi Wifi Repeater

I have an old iPad which has been dropped so many times that a piece of wire fell out the side, and I think that wire was the wifi antenna.   The iPad can only connect to wifi when it’s close…

This Building Sucks  (literally)

This Building Sucks (literally)

Today the doors to the new Science Hall at SUNY New Paltz are really hard to open.   There is a howling sound as wind screams its way through the cracks between the doors, which goes away temporarily as you open…

Cosmic Watch cost estimate

Cosmic Watch: Initial Cost Estimate

CosmicWatch is a small, inexpensive, home-built (or lab-built) cosmic ray detector designed by the Laboratory for Nuclear Science at MIT.     I’ve set out to build one, and this is Episode 2 of the adventure. The claim is that “single…

Eric Myers and his daughter, Amanda, demonstrate the reason for the sun's change in elevation over the seasons

Summer Solstice in Wooster Hall

Wooster Hall at SUNY New Paltz has a neat feature.   The main staircase is exactly aligned along a north-south line, and skylight windows in the ceiling were placed so that light from those windows lines up at the bottom of…

Skip to toolbar