Dr. Jeffrey Kavanaugh πŸ‡¨πŸ‡¦'s Avatar

Dr. Jeffrey Kavanaugh πŸ‡¨πŸ‡¦

@jlkavanaugh

Glaciologist and Earth system scientist at the University of Alberta. Luthier, photographer, baker, and coffee maker. Two-wheeled travel enthusiast and dog companion. He/him.

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Latest posts by Dr. Jeffrey Kavanaugh πŸ‡¨πŸ‡¦ @jlkavanaugh

Haha, fair enough. I’ve just found that Ray-Bans work for my facial structure.

07.03.2026 01:24 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Ray-Ban frames have been my go-to for many years now - I’ve had at least 8 pairs made with prescription lenses (both clear and tinted).

It’s looking like I’ll need to find another designer, and I’m not happy about it. But I don’t want anyone to ever even suspect that I’m wearing #PervertGlasses.

07.03.2026 00:08 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

This has been on my Kanopy watch list forever - thanks for the nudge; I’ll be watching it tonight!

06.03.2026 23:52 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Wonderful photo and print, Mark!

06.03.2026 23:50 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I've finally assembled my dream set of Nikkor LF glass (90mm f/8 SW, 135mm f/5.6 W, 150mm f/5.6 W, 200mm f/8 M, and 300mm f/9 M - all with matchy-matchy Copal shutters), but your Ektar posts are *still* giving me G.A.S.

They're that pretty.

06.03.2026 23:01 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I just recently picked it up (so recently that I've not yet had the chance to take any photos using it), but the view through it is so glorious that I immediately found another for use with my 135mm Hektor.

06.03.2026 22:56 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

That's a beautiful collection of glass and metal you have there.

06.03.2026 22:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I have a bog-standard, mid-sized, internal combustion-powered SUV β€” but drive it so rarely that I haven’t fueled it up since Dec. 28 (and the tank is still >1/2 full).

06.03.2026 21:25 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Beauty! I love Barnacks. Here's hoping that haze and fungus haven't found their way into that Summitar!

06.03.2026 18:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Sounds fine to me - though please refrain from activating your chemical defenses while holding the pose during class!

06.03.2026 16:04 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

The Tenebrionid version of "elbows up."

06.03.2026 13:59 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Damned cool. I wish I could justify purchasing it, but alas.

05.03.2026 21:03 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

And it's at my favourite camera shop, no less!

05.03.2026 21:01 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Diagram (Figure 9-2) of the Spot Tie (Typical) used to secure cables via lacing:

A. CLOVE HITCH
B. CLOVE HITCH AND SQUARE KNOT

Diagram (Figure 9-2) of the Spot Tie (Typical) used to secure cables via lacing: A. CLOVE HITCH B. CLOVE HITCH AND SQUARE KNOT

I hope someone, somewhere has this as a tattoo.

05.03.2026 17:19 πŸ‘ 5 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

I wonder what the odds are that the offshored tariff money is funding Russia's war against Ukraine.

05.03.2026 17:16 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Hell yes.

05.03.2026 15:18 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It’s not just ChatGPT we should be boycotting:

05.03.2026 13:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

SOMA is such a great part of the city.

05.03.2026 13:22 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

A lot of people say AI isn't very good for the world and its outputs are routinely unreliable, but these haters fail to see how it's revolutionizing how we incinerate schoolchildren.

05.03.2026 04:43 πŸ‘ 7321 πŸ” 2306 πŸ’¬ 183 πŸ“Œ 50

How I arrived on Bluesky

05.03.2026 05:03 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 5
Preview
a man in a suit and tie sits on a couch with a be t logo behind him Alt: a man in a suit and tie sits on a couch with a be t logo behind him

I never expected to experience resistor envy, but

05.03.2026 01:22 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

My first-ever job (which I started when I was 14) was building wiring harnesses and stuffing circuit boards.

I’ll always appreciate a nice neat harness.

05.03.2026 01:19 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
a referee with his arms outstretched is standing on a football field . ALT: a referee with his arms outstretched is standing on a football field .

That’s a 5-yard penalty for unnecessary bling, Rob.

05.03.2026 00:31 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I think DHL should change their slogan to β€œWhen it absolutely, positively doesn’t need to be there for a few weeks, or maybe a month.”

05.03.2026 00:15 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Post image

I love the snow raven that’s currently living in my neighbourhood. It’s about 2m (6’) long.

04.03.2026 23:45 πŸ‘ 19 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'll never stop being entertained by folks complaining about reply-all email responses via a reply-all email response.

04.03.2026 19:39 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I can smell this picture.

04.03.2026 18:29 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

This makes me even happier to have deleted Slack from all of my devices.

04.03.2026 17:16 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Either would be fantastic; both would be even better; but of the two, my preference would be for a winter stay.

04.03.2026 17:03 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I've never been to Skoki, but would absolutely love to spend some time there. It's on the bucket list!

04.03.2026 16:37 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0