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Mar 41 min
See Billboard Eclipse in Different Light
With a solar eclipse, the sun is often not what it seems. For example, grab a sequence of light that builds up the solar image for a...
Jan 213 min
Solar Eclipse Timer
A must-have app to enhance your solar eclipse experience is the Solar Eclipse Timer from Gordon Telepun. Like a voice coming over your...
Feb 13, 20232 min
Bright Line Is String of 50+ Satellites
A unique yet conflicting experience under the stars occurred Sunday while many football fans were inside watching the big game. I had...
Mar 1, 20185 min
How the Firefly Could Help Us
Encouraged by school children, Indiana Governor Eric Holcomb signed Senate Bill 236 designating Pyractomena angulata, also known as...
Feb 7, 20183 min
Exceed the NIPSCO Standard
LED streetlights are all the rage because they save money, lessen energy use, last long, and can be aimed judiciously. Yet all LED...
Nov 15, 20174 min
How a Nobel Laureate Changes a Light Bulb
If you are changing your outdoor light bulbs, it's no longer a matter of swapping out the old incandescent bulb with a new one. Take a...
Aug 27, 20173 min
Measuring Darkness During Totality
How dark does the sky get during a total solar eclipse? During the 2017 event, I and others used Sky Quality Meters (SQMs) to quantify...
Dec 22, 20166 min
Snapshots of Time
The holidays came early for me, and with magnificent gifts. This week I gathered up a dozen small aluminum containers from around the...