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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: OT: Covid's True Origins
Date: Tue, 22 Apr 2025 15:17:37 +1000
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On 22/04/2025 8:02 am, john larkin wrote:
> On Mon, 21 Apr 2025 22:23:03 +0100, Cursitor Doom <cd@notformail.com>
> wrote:
> 
>> On Mon, 21 Apr 2025 08:26:40 -0700, john larkin <jl@glen--canyon.com>
>> wrote:
>>
>> [...]
>>> Sine waves are boring.
>>
>> Well, square waves give rise to lots of harmonics which can be useful.
>> But what about triangles and sawtooths. Any interesting properies
>> hidden away in those?
> 
> Periodic waveforms are all boring. They just do the same thing, over
> and over.
> 
> A complex pulse can do interesting things. Spin an airplane. Fuse
> deuterium-tritium. Trigger a megaton boom.

With the right effectors to translate the electrical waveform into the 
physical displacement of moving mass.

> I wish the world would move on from the slide rule and graph paper
> days, narrowband s-parameters and Smith charts and load pulls. We have
> computers now.

But if you don't know enough to understand what the computer could be 
telling you, the computer is less helpful than it might be.

The narrow road to comprehension is more easily negotiated with the 
right crutches. What worked in the historical past can still work today.
There may be an easier route through more easily comprehended computer 
graphics but I've not seen any evidence to suggest that it has yet been 
found.

-- 
Bill Sloman, Sydney