Profile cover photo
Profile photo
Richard Holmes
201 followers
201 followers
About
Posts

Post has attachment
I did indeed take my first bike ride of the year today, just over 10 miles on the Creekwalk and the Onondaga Creek bike trail. And I crossed the lunar equator. Coordinates now: 0.06°N, 2.97°W MoonWalk spreadsheet MoonWalk kmz file (for Google Earth — View…
Add a comment...

Post has attachment
Sorry about how long it’s been since I updated you on this project. Here’s where it’s progressed to: So yeah. Into the trash with it. I did such a sloppy job making and mounting the fins that I decided to go right back to square two. Square one being the…
Add a comment...

Post has attachment
  I have had it right up to here with winter. And it isn’t winter. Meteorological spring began 51 days ago. Yet it was snowing yesterday, again,1 and it’s been grey and chilly and I’ve been saying, nope, don’t want to go out there. So I’ve been covering…
Add a comment...

Post has attachment
Just because this stuff isn’t obvious: I have my M-Audio KeyStudio 25 keyboard working as an input device for MuseScore under Ubuntu 16.04. Steps I used: Plugged in the keyboard. Started MuseScore. I had version 2.0.2 installed because that’s what Ubuntu…
Add a comment...

Post has attachment
We’ve seen a generalization of the problem to multiplicative factors other than 2 and bases other than 10. A third generalization would be to shift more than one digit. Take a positive integer in base and move its last digits to the front. What is the…
Add a comment...

Post has attachment
Well, winter is hanging in there. Between weather, health, and other demands on time, I haven’t turned in very good weekly distances. But as of right now I’m pretty close to dead center of a 26 km diameter crater called Mösting. It’s named for Johan…
Add a comment...

Post has attachment
There’s been news recently about Estes, like that a new owner will be buying it from bankrupt Hobbico, but also that they’re discontinuing the C11 and E9 motors. Well hm. I’ve seen some comments like this: “the E9 was noted for its unpredictability – you…
Add a comment...

Post has attachment
Last night Salt City Ukulele held its second Open House. Last year I was hoping for half a dozen or so newcomers and we got 22. Partly that was because the paper featured it in their local events coverage, and they did so again this year so I figured we’d…
And then there were eight
And then there were eight
doctroid.wordpress.com
Add a comment...

Post has attachment
Spoiler for last week’s fivethirtyeight.com Riddler Classic: From Joseph Converse, a puzzle of digital manipulation: Imagine taking a number and moving its last digit to the front. For example, 1,234 would become 4,123. What is the smallest positive…
Add a comment...

Post has attachment
That proof can also be done sort of backwards and is arguably easier that way. Instead of using three triangles of known dimensions and proving they can be assembled into a rectangle, start with the rectangle and find the dimensions of the triangles. Take…
Easy foorp
Easy foorp
mathematrec.wordpress.com
Add a comment...
Wait while more posts are being loaded