Partnered Output Coils - Free Energy

[poynt99]

He was that chap with the pulled back greasy hair (hippy) from Australia (not Brad, I don't know what Brad looks like). He used to have these long drawn out monologs about teachings from his panacea "university". LOL.

[tinman]

He was that chap with the pulled back greasy hair (hippy) from Australia (not Brad, I don't know what Brad looks like). He used to have these long drawn out monologs about teachings from his panacea "university". LOL.

Your so nice some times Poynt lol.

[Jimboot]

He was that chap with the pulled back greasy hair (hippy) from Australia (not Brad, I don't know what Brad looks like). He used to have these long drawn out monologs about teachings from his panacea "university". LOL.

Ash is a Queenslander. They're a little bit different. Don't tell Farmhand I said that though.

[hoptoad]

Ash is a Queenslander. They're a little bit different. Don't tell Farmhand I said that though.

LOL. Which ones are different though?. Those born and bred in Queensland, or those born and bred elsewhere, but flock to the "Sunshine State" for a holiday and never go home?

As an original SouthOZ croweater myself, living in Victoria now (the land of 5 seasons every bloody day!) when visiting the sunshine state, I can't help but notice how many of the people I meet are from 'south of the border'. "Mexicans", as many Queenslanders like to call them. 

[MileHigh]

Well, it's brain snack time.  No brains like frying eggs on a hot skillet permitted, it's brain snack time.

http://www.tutelman.com/golf/measure/precision.php

Precision, Accuracy, and Resolution
Dave Tutelman  --  December 23, 2007

Too many people use the terms "precision" and "accuracy" interchangeably. They shouldn't. Precision and accuracy are completely different concepts. Let's explore what they really mean, and how to tell the difference. While we're at it, we will also throw in "resolution", which is also too-often confused with precision.

This article first distinguishes between resolution and precision, then between precision and accuracy. In each case, we will start with an example chosen to make the point clear, then take one or two examples from clubmaking measurement to show why it's important to clubmakers.

Precision vs Resolution
First the definitions:

    Resolution is the fineness to which an instrument can be read.
    Precision is the fineness to which an instrument can be read repeatably and reliably.

There is a difference. Let's see it with an example.

Here are two stopwatches. One is analog and the other is digital. Both are manually actuated; this is an important point in the distinction.

First, let's look at the resolution of the two stopwatches:

The analog stopwatch has to be viewed on its dial. If you look closely, you can relate the big hand to the smallest tick-mark on the big dial. That tickmark is a tenth of a second. The best a good eye can do is resolve a reading to 1/10 second, which is therefore the resolution of the stopwatch.

The digital stopwatch has two digits beyond the seconds, so it subdivides time in hundredths of a second. Since it is easy to read to 1/100 of a second, that is its resolution.

So there is a substantial difference between the watches in resolution -- a power of ten, from 1/10 to 1/100 second.

What about the precision? Precision is reliable, repeatable measurement. The total measurement system includes the human that activates the watch in either case. And experiments have shown that a human takes about 1/10 of a second to react to a stimulus and turn it into a button press. So...

The analog stopwatch has a precision of about 1/10 second. Both the resolution and the stimulus-response time of the human are 1/10 second.

The digital stopwatch also has a precision of 1/10 of a second. This is a surprise! After all, the watch has a resolution of 1/100 second. But, because of the human reaction time, the hundredths digit is not reliable. If you measured precisely-known elapsed times with this arrangement, you would find the last digit's value to be almost random. There is a spread of about 1/10 of a second in the measured times due to the human factor. So it is repeatable to only 1/10 second.

This raises an important point. The advent of digital instrumentation gave rise to a mindset that equated resolution with precision. Digital readouts make it very easy to see what the resolution of an instrument was. Most people simply assume, "Hey, the guys who designed this made it to read to five digits, so it must be good to five digits!" Whatever "good" means. Resolution? Yes. Precision? Well, maybe.

A satiated brain is not an angry brain.  It's an old Rasta saying.