stay tuned
Thanks, Chef!
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We Scour the Web, so You Don't Have To!
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We Scour the Web, so You Don't Have To!
Americans will use anything but the SI System to measure stuff.
As a side note, the metric system is made up as well.
“Hey, this bar of metal is one meter long.”
“Hey, this object is one kilogram.”
“Now, let’s scale everything up and down from these by factors of 10.”
Now, the meter bar and the kilogram are no longer a meter and a kilogram, respectively.
The only based-on-realty measurement is the nautical mile. 60 nautical miles equals one degree of a latitude or longitude, so one nautical mile is one minute.
The international measurement system has defined units that are not based on purely arbitrary criteria.
Meter:
Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1/299792458 of a second, where the second is defined by a hyperfine transition frequency of caesium
Second:
The second […] is defined by taking the fixed numerical value of the caesium frequency, ΔνCs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be 9192631770 when expressed in the unit Hz, which is equal to s−1
Kilogram:
The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015×10−34 when expressed in the unit J⋅s, which is equal to kg⋅m2⋅s−1, where the metre and the second are defined in terms of c and ΔνCs.
.Kelvin:
The Kelvin scale is an absolute temperature scale that starts at the lowest possible temperature (absolute zero), taken to be 0 K. By definition, the Celsius scale (symbol °C) and the Kelvin scale have the exact same magnitude; that is, a rise of 1 K is equal to a rise of 1 °C and vice versa, and any temperature in degrees Celsius can be converted to kelvin by adding 273.15.
https://en.wikipedia.org/wiki/International_System_of_Units
So why those numbers? Who decided that the time of 1/299792458th of a second is the amount of time for light to travel one meter in a vacuum? What is so special about the amount of time?
And why is kilograms measured using the Planck constant converted to j-s?
And how trust worthy is Wikipedia?
Who decided that the globe would be divided into so many degrees to start with. Or the counting of the amount of hours, minutes or seconds in a day. Counting everything by tens makes more sense because then one can use their fingers and toes to help with the math.
Who decided that the day is to be divided into the hours, minutes and seconds which we use? Who decided that the globe is divided into the degrees that we use.
Dividing everything into tens makes more sense because you can use your fingers and toes for a math aid.
people with way more smarts than me, I readily admit that
With the globe: 360 degrees is a circle-thus it is 360 degrees around the world (never mind it is not an exact circle). From there, the divisions when down to degrees, minutes, and seconds.
Pep, what’s worse, even though one system is easier to use, easier to learn, and used by 96% of the people on the planet, those advocating for the King’s Foot System would rather see a civilization decline than change.
king’s foot? you mean we will use a new measurement system called the bone spur?