TLPTPHW #302

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Message 2072184 - Posted: 30 Mar 2021, 19:16:34 UTC

Posting while waiting for a Hump Day sunrise.

Cheers.
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Message 2072186 - Posted: 30 Mar 2021, 19:24:18 UTC

Sitting here while the planet rotates towards tomorrow which never gets here.
The T1 Trust, PRR T1 Class 4-4-4-4 #5550, 1 of America's First HST's
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Message 2072190 - Posted: 30 Mar 2021, 20:01:40 UTC

Now....
Is today tomorrow's yesterday or is it yesterday's tomorrow?
Bob Smith
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Somewhere in the (un)known Universe?
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Message 2072191 - Posted: 30 Mar 2021, 20:12:30 UTC - in response to Message 2072190.  

Now....
Is today tomorrow's yesterday or is it yesterday's tomorrow?
My today is your tomorrow. ;-)

Cheers.
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Message 2072203 - Posted: 30 Mar 2021, 22:06:08 UTC

Today is the tomorrow that you worried about yesterday.

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Message 2072206 - Posted: 30 Mar 2021, 22:45:54 UTC - in response to Message 2072170.  

Going by a physical network cable will always beat anything wireless. Especially so using cat6 cables or even fibre. Cat5e works for Gigabits so long as the cable isn't too long and no nasty 90deg sharp bends or kinks.

https://www.bodie.com/stories/electrification-of-the-standard-mill/
The Mill had new electrical equipment installed, a power substation was built, and lines were run from the Mill to the substation, and from the substation to Green Creek, where the Hydroelectric Power Plant was built. In fact, the lines were run 13 miles in a straight line! At the time, it’s believed that engineers weren’t sure if the power would ‘jump out of the line and into the ground’ on sharp corners – on the other hand, it’s costs less to run a straight line, rather than adding footage for turning corners…
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Message 2072207 - Posted: 30 Mar 2021, 23:17:28 UTC

Good one!

And hey!! Radio waves and lightning do jump off the wires rather than go around corners...
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Message 2072211 - Posted: 31 Mar 2021, 1:11:26 UTC - in response to Message 2072207.  

Good one!

And hey!! Radio waves and lightning do jump off the wires rather than go around corners...

Radio waves are photons not electrons and lightning is a breakdown of insulation.

A kink can break conductors or strands, alter impedance and resistance, change number of twists per inch, induce cross talk but I've yet to see the electrons still go straight and come out the side of the wire. Remember they are moving fast, relativistic fast. How many electrons leaving the wire does it take to alter it's chemical stability? Or are they replaced? If so what is this source of the replacement electrons?
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Message 2072213 - Posted: 31 Mar 2021, 1:44:55 UTC
Last modified: 31 Mar 2021, 1:45:58 UTC

A bend/kink in an electrical conductor increases the inductance in that region. That then increases the impedance for any high frequency ac or pulses and so causes a transmisson mismatch at that point.

The energy in any high frequency signal or pulse ain't all going to make it around the corner!...

Hence for example, lightning conductors should be kept as straight as possible for leading to ground.
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Message 2072218 - Posted: 31 Mar 2021, 2:59:56 UTC

After another half an hour on the line trimmer and 2 hours pushing the mower around (before running out of fuel) I reckon that it's now time for a few beers.

Cheers.
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Message 2072226 - Posted: 31 Mar 2021, 4:16:24 UTC - in response to Message 2072213.  

A bend/kink in an electrical conductor increases the inductance in that region. That then increases the impedance for any high frequency ac or pulses and so causes a transmisson mismatch at that point.

The energy in any high frequency signal or pulse ain't all going to make it around the corner!...

Hence for example, lightning conductors should be kept as straight as possible for leading to ground.


The energy makes it way around this corner just fine.

Are you saying the electrons poured into one end of the wire don't come out? How long before the wire explodes?
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Message 2072227 - Posted: 31 Mar 2021, 4:25:54 UTC

I bought one of these off amazon recently, it looks ok.

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Message 2072229 - Posted: 31 Mar 2021, 6:44:22 UTC

Well Dog thinks that she's winning now that she has had her dinner served.

Cheers.
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Message 2072230 - Posted: 31 Mar 2021, 7:39:57 UTC

Winning before work.


With each crime and every kindness we birth our future.
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Message 2072234 - Posted: 31 Mar 2021, 8:11:53 UTC

Winning as the sun sets on another Hump Day.

Cheers.
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Message 2072244 - Posted: 31 Mar 2021, 10:08:21 UTC

Still breathing. Must be a win.

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Message 2072247 - Posted: 31 Mar 2021, 10:43:36 UTC

Winning with a bedtime post.

Cheers.
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Message 2072253 - Posted: 31 Mar 2021, 13:17:25 UTC

Hump day win.
Figuratively speaking.
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Message 2072254 - Posted: 31 Mar 2021, 14:34:35 UTC

Only on TV, probably American, does a bunny go meow...

The T1 Trust, PRR T1 Class 4-4-4-4 #5550, 1 of America's First HST's
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Message 2072255 - Posted: 31 Mar 2021, 14:46:23 UTC

Sunshine! Summertime!!
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Message boards : Cafe SETI : TLPTPHW #302


 
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