The Medical Drama and Mathematical Melodrama:
Then I suddenly realize this physical reality and numeric similarity:
i) My wife's closest ear is approximately 100 centimeters away from my mouth
ii) My mouth is maybe a couple centimeters from my cellphone microphone
iii) My son's ear is roughly a centimeter away from his cellphone speaker
iv) My son is approximately 100 miles away from me
And then I wonder: Who heard it first?
Non-Geek Warning: Don't Try to Understand This Next Paragraph
The Dilemma of the Digital Delay: I had tried for simultaneousness only to realize that maybe my son who is far away physically may actually have heard the sound of my joke before my wife based on the speed of sound versus the speed of light/electricity. My thought is I am unsure of how much delay is created in the cell phone circuits as the electrical signal is periodically re-amplified at various stages of the transmission process, goes through telephone switching circuits, possible digital information buffering, multiplexing, and undergoes Analog to Digital & Digital to Analog conversion at each transducer step.
My son's response: "Dad, you're a goofball"
My wife's response: "Get off the phone, the doctor's coming"
For everyone out there who has been anxiously waiting for the more important information, the doctor's news was good about my wife.
My Phone-y Numerical Results Later in the Evening:
The son 100 miles away heard the sound 5 times sooner than the wife 100 centimeters away.
Reach out and hug someone. Faster. By phone.
Appendix: Calculations for Goofballs & Geeks & Nerds
Here is the time delay for the speed of sound to travel 100 cm:
Speed of sound at 70 F : 771 mph
I didn't try to compensate for our elevation of ~3000 ft above sea level
100 cm / 2.54 cm/in = 39.37 in = 3.281 ft
771 mph * 5280 ft/mile = 4070880 ft per hour (speed of sound at 70 F) from a web site
1129 ft per second
3.281 ft / 1129 ft per sec.. 0.002906 seconds to travel 100 cm
Here is the time delay for the speed of light to travel 100 miles:
Speed of light 186,282 miles per second
100 miles * 1 / 186282 seconds per mile = 0.000536 seconds, so around a half a millisecond to travel 100 miles.
So if there is citizen of cyberchatland who knows more about this subject than me, or would like to confirm my physics and math or correct for gross errors, please comment.