Printing Eyepiece Cases
Eyepieces need cases, but it’s expensive to buy a bunch of different sizes for different size eyepieces, particularly for 2” “hand grenade” sized eyepieces like the 18mm TeleVue Nagler and…
Is Starship A Carbon Disaster?
During a presentation I recently made to my local RASC Winnipeg Centre an interesting question was asked: how much greenhouse gas emissions comes from a launch of Starship including the…
Kiln-ing Time During Winter
I seem to have a lot of Pyrex mirror blanks on hand and grinding it all into mirrors at the current size seems a bit of a waste. Most of…
The Penguin and the Egg
This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data was collected on the evening of February 2,…
3D Printing for Astronomers
UPDATE: I am now posting my 3D designs at: http://3.99.76.122/3d-printing-for-astronomers/ I have to say 3D printing is a mind blower. If you can envision it, work some easily learned 3D…