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 ... Read MoreRunning 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 dow... Read More
Raspberry Pi WiFi Access Point
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 to t... Read More
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 temporaril... Read More
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 ... Read More
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 ... Read More
Raspberry Pi Access Point Routing
This is the last step required to turn a Raspberry Pi into a WiFi Access Point. If you want to see all the previous steps, start with “Raspberry Pi Wifi Access Point“. When you get to ... Read More
DHCP daemon on Raspberry Pi
DHCP stands for “Dynamic Host Configuration Protocol”. The DHCP daemon is the process which assigns IP addresses to computers when they join a network, and gives them other important ... Read MoreThe Compartment Box Trick
Have you ever taken something apart and then put it back together and had parts left over? Me too. Sometimes it’s something I know isn’t needed, but it’s still better to get everythi... Read More- 3 of 4
- « Previous
- 1
- 2
- 3
- 4
- Next »