by Michael Pershan
September 15, 2012
How much faster are runners these days?
How much faster have we become?
September 16, 2012
Why did the guys in B&W video look like they won, but had slower times? And were their legs moving faster? Something wrong with the video?
September 17, 2012
How have runners improved over the years?
September 27, 2012
Why did the left video show the sprinters finish first?
September 29, 2012
Who is faster?
October 19, 2012
What's the fastest man will ever run this in? How do we know?
October 30, 2012
Compare world record times, see if there is a trend over time that can be graphed or modeled?
December 11, 2012
How much faster does "being broadcast in black in white" make you?
December 12, 2012
Why were there so many times of 10.4 seconds on the left video? Where's the hundredth of a second?
January 03, 2013
How fast was the black and white movie sped up?
June 21, 2013
How many times faster are the runners in the second video?
July 11, 2013
How fast are they running?
July 26, 2013
How much faster is the world record now?
July 29, 2013
How much father did the B&W runner have to go, when the color runner crossed the finish line?
October 26, 2013
But ... the starts were not temporally synchronized. Why, oh why?
June 23, 2014
How much faster is Carl Lewis than the other guy?
June 24, 2014
how fast are they going
September 15, 2014
IS time constant?
October 22, 2014
How fast were they running?
Andrew J Sommer
July 16, 2015
Why are athletes always gettin better and better every year?
August 19, 2015
Which group had a faster average time
August 21, 2015
Why do people run faster now?
January 02, 2016
What was the time of the older runners?
April 28, 2016
Given the rate of increase, how fast will 100m sprinters be in 2050, 2100?
May 05, 2016
who's the fastest?
July 12, 2016
Would the winner of the old Olympics beat make the top 8 in the other?
August 06, 2016
Are people faster now?
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