Roger Crew✅❌☑🗸❎✖✓✔
@wrog.mastodon.murkworks.net.ap.brid.gy
Bluesky user? Read http://mastodon.murkworks.net/@wrog/115830246587842492
genuine Internet Old Fart
(you under 40 ⟹ I have email older than you).
professional […]
🌉 bridged from ⁂ https://mastodon.murkworks.net/@wrog, follow @ap.brid.gy to interact
genuine Internet Old Fart
(you under 40 ⟹ I have email older than you).
professional […]
🌉 bridged from ⁂ https://mastodon.murkworks.net/@wrog, follow @ap.brid.gy to interact
Reposted by Roger Crew✅❌☑🗸❎✖✓✔
TWO
HUNDRED
THOUSAND
on the :soundtransit_one_line: Line for the Superbowl victory parade
TWO HUNDRED THOUSAND
that is a big fucken number and it worked
meanwhile, :soundtransit_two_line: Line "simulated" runs - as in actually running and taking […]
[Original post on mastodon.murkworks.net]
HUNDRED
THOUSAND
on the :soundtransit_one_line: Line for the Superbowl victory parade
TWO HUNDRED THOUSAND
that is a big fucken number and it worked
meanwhile, :soundtransit_two_line: Line "simulated" runs - as in actually running and taking […]
[Original post on mastodon.murkworks.net]
February 14, 2026 at 9:18 AM
TWO
HUNDRED
THOUSAND
on the :soundtransit_one_line: Line for the Superbowl victory parade
TWO HUNDRED THOUSAND
that is a big fucken number and it worked
meanwhile, :soundtransit_two_line: Line "simulated" runs - as in actually running and taking […]
[Original post on mastodon.murkworks.net]
HUNDRED
THOUSAND
on the :soundtransit_one_line: Line for the Superbowl victory parade
TWO HUNDRED THOUSAND
that is a big fucken number and it worked
meanwhile, :soundtransit_two_line: Line "simulated" runs - as in actually running and taking […]
[Original post on mastodon.murkworks.net]
Part 6
https://wrog.dreamwidth.org/72287.html
in which, having established what (little) math we actually need, we get to the truly fun part:
How constant acceleration works
a.k.a.
What you need to know re
Faking Gravity in Special Relativity.
It is **a** **lot** weirder than you would expect […]
https://wrog.dreamwidth.org/72287.html
in which, having established what (little) math we actually need, we get to the truly fun part:
How constant acceleration works
a.k.a.
What you need to know re
Faking Gravity in Special Relativity.
It is **a** **lot** weirder than you would expect […]
February 14, 2026 at 9:12 AM
Part 6
https://wrog.dreamwidth.org/72287.html
in which, having established what (little) math we actually need, we get to the truly fun part:
How constant acceleration works
a.k.a.
What you need to know re
Faking Gravity in Special Relativity.
It is **a** **lot** weirder than you would expect […]
https://wrog.dreamwidth.org/72287.html
in which, having established what (little) math we actually need, we get to the truly fun part:
How constant acceleration works
a.k.a.
What you need to know re
Faking Gravity in Special Relativity.
It is **a** **lot** weirder than you would expect […]
I of course goofed and left out the explanation of Lorentz Contraction from the obvious place in Part 3 where I should have talked about it.
So I've slotted it in here:
https://wrog.dreamwidth.org/71271.html#hrel3_lorentz
along with a new diagram to […]
[Original post on mastodon.murkworks.net]
So I've slotted it in here:
https://wrog.dreamwidth.org/71271.html#hrel3_lorentz
along with a new diagram to […]
[Original post on mastodon.murkworks.net]
![How to draw this:
From a point in the center of the page
draw two yellow-dashed rays sloping left-up and right-up at 45° to the edge of the page. Mark the right angle between the two rays. ([center] pt)
On each of these mark a point near the corner right before it runs off of the page ([upper-left] pt and [upper-right] pt)
From [upper-right] draw a downwards-left blue arrow, slope 3/2, to a point directly below [center],
label that "moving Now snapshot"
label the destination "Here and Now"
Draw up-left (slope −3/2) blue arrow from "Here and Now" to [upper-left]
label that "stationary Now snapshot"
Draw black segment from [upper-left] slope −2/3 to intersect at right angles with downwards arrow,
label that "1-unit-up Stationary Person"
label intersection "where 1-unit-up Stationary Person is Now according to Moving People"
Draw black segment from [upper-right] slope 2/3 to intersect at right angles with upwards arrow,
label that "1-unit-up Moving Person"
label intersection "where 1-unit-up Moving Person is Now according to Stationary People"
Draw 2 short black segments through "Here and Now"
one slope 2/3 labeled "Moving Here"
one slope −2/3 labeled "Stationary Here"](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:q6wierekuzwppbmjfr2qp2cw/bafkreigssv6q6xzr6aw5q4po6taloxzlsnnpmlvuoulshwprnifdyegkya@jpeg)
January 19, 2026 at 3:22 AM
I of course goofed and left out the explanation of Lorentz Contraction from the obvious place in Part 3 where I should have talked about it.
So I've slotted it in here:
https://wrog.dreamwidth.org/71271.html#hrel3_lorentz
along with a new diagram to […]
[Original post on mastodon.murkworks.net]
So I've slotted it in here:
https://wrog.dreamwidth.org/71271.html#hrel3_lorentz
along with a new diagram to […]
[Original post on mastodon.murkworks.net]
I am inordinately amused that there is a website called laryngopedia.com.
The internet is not yet dead
The internet is not yet dead
January 16, 2026 at 12:07 AM
I am inordinately amused that there is a website called laryngopedia.com.
The internet is not yet dead
The internet is not yet dead
I decided it was time for another go at explaining Special Relativity.
I remain annoyed at how few people really get it, even amongst avid SF consumers, who have gotten entirely too accustomed to generations of SF writers papering over the FTL issues with technobabble, 'cause we need that […]
I remain annoyed at how few people really get it, even amongst avid SF consumers, who have gotten entirely too accustomed to generations of SF writers papering over the FTL issues with technobabble, 'cause we need that […]
Original post on mastodon.murkworks.net
mastodon.murkworks.net
January 8, 2026 at 3:32 PM
I decided it was time for another go at explaining Special Relativity.
I remain annoyed at how few people really get it, even amongst avid SF consumers, who have gotten entirely too accustomed to generations of SF writers papering over the FTL issues with technobabble, 'cause we need that […]
I remain annoyed at how few people really get it, even amongst avid SF consumers, who have gotten entirely too accustomed to generations of SF writers papering over the FTL issues with technobabble, 'cause we need that […]
HELLO BLUESKY USERS!
You can follow me over here on Mastodon **but** I will not see your replies unless you give permission for that…
…which is easy. Just follow this special BlueSky user:
https://bsky.app/profile/ap.brid.gy
i.e., click on this link, then
click the 'Follow' button, and
… you […]
You can follow me over here on Mastodon **but** I will not see your replies unless you give permission for that…
…which is easy. Just follow this special BlueSky user:
https://bsky.app/profile/ap.brid.gy
i.e., click on this link, then
click the 'Follow' button, and
… you […]
Original post on mastodon.murkworks.net
mastodon.murkworks.net
January 3, 2026 at 8:36 AM
HELLO BLUESKY USERS!
You can follow me over here on Mastodon **but** I will not see your replies unless you give permission for that…
…which is easy. Just follow this special BlueSky user:
https://bsky.app/profile/ap.brid.gy
i.e., click on this link, then
click the 'Follow' button, and
… you […]
You can follow me over here on Mastodon **but** I will not see your replies unless you give permission for that…
…which is easy. Just follow this special BlueSky user:
https://bsky.app/profile/ap.brid.gy
i.e., click on this link, then
click the 'Follow' button, and
… you […]
(yes, I'm avoiding a link to Failbook):
December 28, 2025 at 12:30 AM
(yes, I'm avoiding a link to Failbook):
evidently, Tom Stoppard passed away recently. Reminds me of:
https://wrog.dreamwidth.org/20761.html
(... could be time to rent "Rosencrantz and Guildenstern Are Dead" -- unfortunately, imdb is not turning up any adaptations of "The Real Thing", which is the one I'm actually curious about -- […]
https://wrog.dreamwidth.org/20761.html
(... could be time to rent "Rosencrantz and Guildenstern Are Dead" -- unfortunately, imdb is not turning up any adaptations of "The Real Thing", which is the one I'm actually curious about -- […]
Original post on mastodon.murkworks.net
mastodon.murkworks.net
December 8, 2025 at 2:56 AM
evidently, Tom Stoppard passed away recently. Reminds me of:
https://wrog.dreamwidth.org/20761.html
(... could be time to rent "Rosencrantz and Guildenstern Are Dead" -- unfortunately, imdb is not turning up any adaptations of "The Real Thing", which is the one I'm actually curious about -- […]
https://wrog.dreamwidth.org/20761.html
(... could be time to rent "Rosencrantz and Guildenstern Are Dead" -- unfortunately, imdb is not turning up any adaptations of "The Real Thing", which is the one I'm actually curious about -- […]
November 24, 2025 at 3:12 AM
November 24, 2025 at 3:10 AM
November 24, 2025 at 3:07 AM
I would have thought "point of no return" would be a LOT farther west than Santa Barbara.
#Monsterdon
#Monsterdon
November 24, 2025 at 3:06 AM
I would have thought "point of no return" would be a LOT farther west than Santa Barbara.
#Monsterdon
#Monsterdon
November 24, 2025 at 3:04 AM
November 24, 2025 at 3:03 AM
November 24, 2025 at 2:58 AM
November 24, 2025 at 2:57 AM
November 24, 2025 at 2:54 AM
November 24, 2025 at 2:50 AM
c'mon spores. do your stuff already
#monsterdon.
#monsterdon.
November 24, 2025 at 2:46 AM
c'mon spores. do your stuff already
#monsterdon.
#monsterdon.
"now she must change her appearance as well."
Thank you so much, Mr. Narrator; I would never have figured this out.
#Monsterdon
Thank you so much, Mr. Narrator; I would never have figured this out.
#Monsterdon
November 24, 2025 at 2:43 AM
"now she must change her appearance as well."
Thank you so much, Mr. Narrator; I would never have figured this out.
#Monsterdon
Thank you so much, Mr. Narrator; I would never have figured this out.
#Monsterdon
November 24, 2025 at 2:42 AM
November 24, 2025 at 2:40 AM
November 24, 2025 at 2:36 AM
November 24, 2025 at 2:30 AM
November 24, 2025 at 2:23 AM