davenn's latest activity
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davenn replied to the thread Collection of Lame Jokes.
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davenn replied to the thread Collection of Lame Jokes.
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davenn reacted to berkeman's post in the thread I'm trying to intuit how pull-up and pull-down resistors work with
Like.
Pullup/pulldown resistors and switches are commonly used as inputs to digital logic gates or other digital logic like microcontrollers... -
davenn replied to the thread Collection of Lame Jokes.
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Nostradamus knew I was going to make this joke.
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davenn replied to the thread Collection of Lame Jokes.
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davenn reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with Like.
Nov. 12, 2025 THE STORM IS NOT OVER: Last night, auroras spread across the Americas as far south as El Salvador during a severe...
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Columnar basalt. This is the Giant's Causeway in Ireland, and is not a photo I took. I did take photos of columnar basalt in Iceland...
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Here is a smaller piece of geology:
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Not really a single photo, but sintering doesn't have to happen vertically. Here are some nice pictures of the various forms. I...
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davenn replied to the thread Stargazing Solar Activity and Space Weather Update thread.This going to be a very significant event QUOTE.... ""A 'GROUND LEVEL EVENT' IS UNDERWAY: Today's X5-class solar flare from sunspot 4274...
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davenn replied to the thread Stargazing Solar Activity and Space Weather Update thread.A X5.1 on the 11th of Nov (UT) has launched a huge CME directly towards Earth. This has come from the very active AR 4274 which is now...
