Albatross @Albatross@qoto.org

Huge aurora display last night, photographed from (just) above the clouds.

Big show last night

Dirty flying snowball! It really didn't want to be photographed.

And a few more from the Australian Wooden Boat Festival, Hobart.

A few shots from the Australian Wooden Boat festival, Hobart.

Ok, lets see how Mastodon goes for photo posts. Here's some brown tree frogs I found out near Mt Field yesterday. Been a while since I've used the macro. :D

I recently did a massive redesign of a 3d printed magnetic stirrer I designed a few years back. Here's a brief writeup showing what changed (and why) and the evolution of the design process. https://www.cartesiancreations.com.au/design-revising-the-magnetic-stirrer/