One is forced to wonder if they will be redefining the DRS (Dumb Redneck System) units so commonly used on TV news and documentaries...
Length: 747 wingspans
Area: football fields
Volume: Olympic swimming pools
Electrical Power: volts
Speaking of dumb redneck measurements, The fresh fruit packing biz learned me to estimate area pretty quickly: mile(1760yds) X mile =640acres, 1/2(880yds) x mile=320, 1/2 x 1/2=160, 1/2x1/4(440yds)=80, 1/4x1/4=40, 1/8(220yds)x1/4=20, 1/8x1/8=10, 1/16(100yds)x1/8=5, 1/16x1/16=2.5, 1/16x1/32(55yds)=1.25. Thus a redneck's football field is a touch more than an acre.
They are wrong about the speed of light remaining constant in a vacuum light is effected by gravitational fields for one I think it was Feynman who lectured on the principals of light speed with varying time lapses
To quote Richard Feynman "...there is also an amplitude for light to go faster (or slower) than the conventional speed of light. You found out in the last lecture that light doesn't go only in straight lines; now, you find out that it doesn't go only at the speed of light! It may surprise you that there is an amplitude for a photon to go at speeds faster or slower than the conventional speed, c."
What this means to the redneck in me is that no matter who well defined some may think their unit of measurement is there will always be someone who will come along later or has previously debunked your absolutes.
Never try to tell me it can't be done
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Frenchman Gabriel Mouton able to measure that arc? At least the length of the King's erection was a physical thing that actually had a measurable length.
What say you metric yahoos out there?
Which side are you on, Jon?
(American) football field = 360 x 160 ft = 57,600 ft^2
Acre = 660 x 66 ft = 43,560 ft^2 = 75% of a football field
For the benefit of readers unfamiliar with ACS (American Customary Units)...
The definition of an acre is a classic example of the nonsense that went into defining ACS. An acre is the amount of land a man can plow in a day. This became standardized to be an area a furlong in length by a chain wide. A furlong is an eighth of a mile (5280 / 8 ft) or ten chains (10 * 66 ft). Thus an acre is ten square chains.
The chain itself is a little bundle of awkwardness. Used in surveying, it became necessary to divide the chain into smaller units. So the chain was divided into 100 links. 66 links might have made a modicum of sense but no, we now have a link that's 0.66 ft = 7.92 in long!
Scotsman Hosie (05-18-2019)
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