The 'Crown of Nobles' noble gas tube display
• Scott Shambaugh works with spacecraft ion thrusters as a day job. • (neat) He writes: I wanted a little desk display so I could interact with the gas. • A chance to get more fami
• Scott Shambaugh works with spacecraft ion thrusters as a day job. • (neat) He writes: I wanted a little desk display so I could interact with the gas. • A chance to get more fami