Friday, January 3, 2025

First Friday Question

So, I hate the idea of resolutions, and I don't go in for all the various year start planning things that happen. (I believe that if you want to make a fresh start, you can choose to do that at any time. Why wait for January?) But I need a question for today (as school is out of session, so no subbing stories), so...

What is something you're looking forward to this year? 

I mean, I'm dreading all sorts of things, but I would rather put a positive spin on this. Although, I'm not looking forward to anything in particular. I hope to get my next video finished filming. And then I have an idea for one to do after that. 

Is there anything you're looking forward to? Are there any good movies coming out? New TV shows? Planning a trip? I'd love to hear your happy plans. (Or your dreads. Those are okay, too.)

Thursday, January 2, 2025

13 Physical Constants

School is back in session next week. That means today's post is a Thursday 13. But what to write about? I'm not in the mood to think too hard...

Oh, I know. How about some numbers? I'm going to list some physics constants. Just because.

  1. Speed of light in free space (c) = 2.9979 × 108 m/s
  2. 1 astronomical unit (AU) = 1.496 × 1011 m
  3. Mass of Earth (ME) = 5.9742 × 1024 kg
  4. Radius of Earth (RE) = 6.3781 × 106 m
  5. Avogadro’s number (NA) = 6.022 × 1023 /mol
  6. Mass of hydrogen atom (mH) = 1.0078μ = 1.6735 × 10−27 kg
  7. Electronic charge (e) = 1.6022 × 10−19 C
  8. Electron rest mass (me) = 9.109 × 10−31 kg
  9. Proton rest mass (Mp) = 1.6726 × 10−27 kg
  10. Compton wavelength of electron [λC = h/(mec)] = 2.4263 × 10−12 m
  11. 1 parsec (pc) = 3.086 × 1016 m
  12. Mass of Sun (M) = 1.989 × 1030 kg
  13. Radius of Sun (R) = 6.96 × 108 m
(I took the numbers from this list. I don't think anyone actually memorizes these numbers unless they use them regularly.)

Wednesday, January 1, 2025

Rose Parade

Do you watch the Rose Parade? If so, look out for the 605 All-Star Band. They're #70 in the lineup. Anyway, I know some of those kiddos...

I don't work at all eight of the high schools that comprise the band, but I do work at a couple of them. (I have subbed for the band directors at one time or other. I've even written posts about those days.) So, yeah, I will know a few of the kiddos. 

Should be fun to see them.