2023-11-20 09:44:30
Green, green river
Green, green river

During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green.
Students learn what PPM (parts per million) means and attempt to figure out how much dye is used to sufficiently color the river.
Comments (0)
Display 1 - 10 Of total 0
Beijing Olympic Schedule 2022
The Winter Olympics begins this week in Beijing....
How much do the movie tickets cost?
Ooops!
I was supposed to buy 4 adult and 2 ch...
Gauss and our star of stars
How many stars are in thi...
Consumer spending 2018
Graph from Wolfram Alpha
Consumers in ...
Inflation and the cost of gasoline
In 1980, one gallon of gasoline costs $1.22....
How fast can you run?
Have you heard of The Six Million Dollar Man? &n...
I bought toilet paper online
We needed more toilet paper at home but there ...
What's my angle?
I'm going to help save the planet by adding so...
Leicester City Foxes - from underdogs to Champions
Recently, to the surprise and elation of England...