Facts

Partly wrong. Up until the industrial revolution population of humans was relatively steady at around 100-200 million. After the industrial revolution the number rocketed up.

Nah that is way too low - what year are you counting as the start of the industrial revolution? There was closer to a billion people by say 1800. The human population had started to steadily increase prior to the industrial revolution from about 1000AD.
 
Holy moly! :p

That was about 9 months ago, which probably means I got at least some of the data from a university module I was studying, and obviously got from elsewhere (wherever I got the chart) without coming up with anything to the contrary of what I was saying at the time. :p

From a cursory glance at google your number does seem right for 1800.

All that said the start of the industrial revolution was around 1750, where the population was around 700million.

Looking again at what I replied to it looks like what I was actually saying (perhaps not entirely clearly) was that rather than the worlds population being around 1 billion for most of its history, it was closer to around 200 million, increasing dramatically around the time and after the industrial revolution.

For example in 1400 the population was around 350million, so it took 350 years for the population to double to the 700m of 1750, then another 150 years to double again to 1.5 billion, 60-70 years to double again to 3 billion then another 30-40 years to double again to around 6 billion...* I guess I used he industrial revolution as a convenient starting point for the population to increase dramatically, and go above 1 billion, which is pretty much what the graph shows.

* so prior to the industrial revolution population increase was about 7-10x slower than after the industrial revolution - 350 years to double just prior to, then 260 years to go up 7x more.
 
The Katzenklavier (Cat Piano) was a musical instrument made out of cats. Invented in the 17th century by noted nasty person Athanasius Kircher, it consisted of several cats in a row with different pitches of voice. It could be played by driving a nail into the desired cat's tail.

reminds me of


In 18th century London, an accepted payment method for admission at London Zoo was providing a dog or cat to be fed to the lions.

In a failed attempt to prolong his life, President Andrew Garfield was force fed for 80 days by his Dr, rectally.
 
Fun filled Chester v Welsh fact:
Apparently the main clock tower in Chester has got 3 faces but the 4th one that would face Wales is missing.
This is because they didn't want to give the Welsh the time of day.
Related Chester fact: That clock tower is the second most photographed clock in the country.
 

A "jiffy" is an actual unit of time for 1/100th of a second.

.

Wrong its a measurement for a period of alternating current power cycle which is usually either 1/60th or 1/50th of a second but could be anything as it depends on the power supply.
 
Wrong its a measurement for a period of alternating current power cycle which is usually either 1/60th or 1/50th of a second but could be anything as it depends on the power supply.

nah he's not wrong but neither are you - the word has been used for both
 
Fun filled Chester v Welsh fact:
Apparently the main clock tower in Chester has got 3 faces but the 4th one that would face Wales is missing.
This is because they didn't want to give the Welsh the time of day.

Related Chester fact: That clock tower is the second most photographed clock in the country.

Another related fact - SexyGreyFox's "fact" isn't a fact.

Here are some facts about that clock tower that actually are facts:

1) It's not the main clock tower in Chester. It's the town hall.
2) The clocks were installed in 1980, i.e. centuries after the "fact" SexyGreyFox refers to could possibly have been even plausible.
3) It has clocks on 3 sides because it's based on the Cloth Hall in Ypres, which has clocks on 3 sides. Chester used to be heavily involved in trading cloth between Ireland, Britain and Flanders.
 
Light slows down when it's not in a vacuum and travelling through a medium like air. Surprising how many people think it's a constant. The only constant light in my life is the boiler indicator. When that goes out end times will ensue.

not strictly true - the 'apparent' speed of light is less but the light is still travelling the same speed between atoms.

how about this one:
when you open the door in an air lock in space the air doesn't rush to the exit - its unaffected and continues to travel in the same direction(s) it always was.
 
Fun filled Chester v Welsh fact:
Apparently the main clock tower in Chester has got 3 faces but the 4th one that would face Wales is missing.
This is because they didn't want to give the Welsh the time of day.

To which you replied:

Related Chester fact: That clock tower is the second most photographed clock in the country.

and then:

We may even be talking about different clocks. I'm referring to the one on the walls, not an actual tower per se.

When you wrote "that clock tower" in reply to SexyGreyFox's post (which you quoted in your reply), weren't you referring to "that clock tower"?
 
Relatively speaking, the earth is smoother than a billiard ball.

But not gravitationally.

image.jpg


It's also not round - The diameter at the equator is larger than the diameter at through the poles due to centripetal forces.
 
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