Astronomy, Near Space, and Robotics

Last week I launched two geiger counters into near space. The mission was for KU aerospace engineering students and I got to send my experi...

I finally got the Hoverbot set up with a relay H-Bridge. Unfortunately, one of the relays died. But that still gives me enough to demonstrat...

I was thinking about these topics earlier this week and thought they ought to be cleared up. So if you'll permit me. Most people are f...

My HoverBot is grounded. The ducted fans that drive it require nearly 2A, but the TA78080K H-Bridges I'm using have built-in overload p...

After watching Avatar, I started thinking about the ship (the Venture Star) and how it got to Alpha Centauri. The ship is suppose to use a ...

I ordered the small glass GM tube from Electronics Goldmine (along with 2,000 T1 green LEDs that I will split with a sudent). A small tube ...

I added enough hot glue to the terminals of the GM tube to put an end to the corona discharge. I also ran a test of the Aware Electronics RM...