Of Course I'll Go See It

First Project Hail Mary, now this.  It's shaping up to be the best year in movies in about a decade.

The Ground-Side Fuse Question Revisited

First addressed in 2020, the consensus was "don't put a fuse on the negative wire to your mobile ham rig, because" eh, go read the post.  Lots of good reasons given there.

However, this auto mechanic makes a valid point for having a fuse on the ground side in this video.  Go and watch (7 minutes), you'll see a new side of things.  Oh, here's the TLDW: Sometimes the engine ground cable ends corrode.  With 100 to 150 amps cranking current, if that ground cable connection isn't pretty darned good, it's going shoot some current back through various unintended paths and ultimately through the negative/ground wire and into your radio, in which case you really really want  a fuse on that thing.  This is especially a problem if the antenna is permanently mounted on the car body, i.e. not a magnet mount.

I see the guy's point, and it is a valid one.  He's actually seen the bad effects this can have.  However because all my vehicle antennas are mag mounts, it's moot.  I'll keep fusing the positive-side only, but if I change my antenna & mounting system I'll consider adding a fuse to the negative wire.

Finally, I'd previously written back in 2020:

Of course all this is moot for a fully-floating ground plane antenna, but how often do we see those in mobile installs?

Turns out, all the darned time, with every single magnet-mount antenna out there, which is something like half of the antennas actually in use.

It's surprises like this that keep the hobby fresh.

Give my regards to Igor

A brief tour of the real Castle Frankenstein over at Atlas Obscura.

Wish I had more original content this week, but we're still sorting out repeater troubles and various other problems around Castle Coyote.  On a positive note, the bicycles are all functioning at 100% and the sinus problem is letting up.

ps: For those who need it here is a pronunciation guide.  And – speak of the devil – here is someone who needs said guide.

Santos 2026 Recap Video

17 minutes over at YouTube.  He's been doing these the last few years, I've linked there before, but  you can most easily find his previous years' recaps at his youtube page.

Pushing for speed over 50 miles, I dunno, not my style.  You can tell the guy was suffering.  Hey, everybody gets to pick their own poison.

FWIW, here are my March comments on the Santos Fat Tire Fest 2026.  Was that just a month ago?

PHM Side-Note on Accidents

Following up on last week's review of Project Hail Mary, one of the things that struck me both while reading and watching were the parallels between PHM and the Manhattan Project.  Yes, both were multinational big-budget science and engineering projects carried out in a rush, but that explosion 

boom

put a punctuation mark on things.  And while in the story the explosion did add a dramatic element, it was also the catalyst behind the major plot twist about which the entire story revolves.  Moreover, the incident very much echoes two criticality accidents at Los Alamos that happened just as and just after WWII ended.

Reenactment with inert components.  Don't try this one at home, kids.

Maybe it's my background, but while reading PHM this parallel jumped out immediately and it gave the whole book – and later movie – a ring of authenticity.  In case you want to learn more on the Manhattan Project (and perhaps get the feel for the behind the scenes action in PHM), look no farther than Richard Rhodes' fine 1986 history The Making of the Atomic Bomb.

Yeah, just go read the book.  Both of 'em, I mean.  And see the movie.

Some Sober Thoughts on Artemis II

And I have to agree with the author linked below on the matter: Glad everyone made it back in on piece, but using rehashed Shuttle components probably isn't the way forward into a financially viable future for lunar exploration.

Now that that's over with at Silicon Graybeard's blog.  Go, read the whole thing, it's short.

Finally, note that this is a pre-scheduled post, I'm really not up at 6:30 again this morning.  At least my 10 pm previous evening self is intending not to be up then.  Actual events may prove otherwise.

Not a Pre-Scheduled Post

No, I'm really just up this early.  Serves me right for not having my usual after-supper pot of coffee and then going to bed at 10 pm.  Grumble.

Gonna go for a bike ride as soon as it gets good light and try to move past this whole "early to bed, early to rise" thing.