Hello, all! Here is a compilation of auroras I captured when I was up in Fort Yukon, Alaska last month. I really wanted to test how the new Sony a7 IV would handle extreme low-light situations. Most of the reviewers who test cameras...

Look up to the night sky just before dawn, or after dusk, and you might see a faint column of light extending up from the horizon. That luminous glow is the zodiacal light, or sunlight reflected toward Earth by a cloud...

The 44th Presidential election in American history took place on November 8, 1960. It was the first election in which Alaska and Hawaii could both participate. Dwight Eisenhower had a pretty good run, but he was the first President...

Graphs can be shifted and reflected, stretched and squashed. These are all known as transformations. And so now we’re going to look at stretching and squashing. We will discover how the equation of the graph looks, compared to it’s...

Demonstration of a custom-built LED Picture Frame consisting of a prototype board and multiple LED lights. The device operates with a light sensor, 2 x Arduino Nano microcontroller and 6 x SN74HC595 shift relay.