2023-11-20 09:44:42
Microns and Masks
Microns and Masks
How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Comments (0)
Display 1 - 10 Of total 0
Will this be an El Niño winter?
The Oceanic Niño Index (ONI) started to show cha...
Is my son going to win again?
Brian son's pretty young but is ...
What's with the plovers?
Cute little birds. Piping plovers are ...
Greasing light poles
The Philadelphia police were bein...
Cubs bury curse !
Wow! It's been a long time comin...
Monopoly
In the board game, Monopoly, does a property...
How many athletes brought home no medal?
There must be a lot of Olympians...
Tech Neck
How much strain does your ...
Largest s'more ever!
Thursday, August 10, 2023 is National S'more...
The 8th billion baby
How fast is the world's populat...