Author Topic: Fun for nerds  (Read 9955 times)

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Offline RoGeorge

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Fun for nerds
« on: October 20, 2018, 05:40:07 pm »

Offline Ampera

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Re: Fun for nerds
« Reply #1 on: October 20, 2018, 06:27:57 pm »
Pretty neat except for the password part, which even through tearing apart the underlying scripts, I can't find the password for, so either I am missing something obvious, or just stupid.

edit: found it out, as it turned out I was stupid.
« Last Edit: October 20, 2018, 06:44:01 pm by Ampera »
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Offline onesixright

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Re: Fun for nerds
« Reply #2 on: October 20, 2018, 08:35:38 pm »
Cool.
 

Offline Macbeth

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Re: Fun for nerds
« Reply #3 on: October 20, 2018, 08:40:14 pm »
This was fun until the password stage. I tried all the obvious including 'hunter2' then decided this is no fun whatsoever and had a brief dip into the javascript but couldn't find anything worth my time so ended it there.

ETA: Did another run through and it's obvious what the password is, no digging through code needed.  :-DD
« Last Edit: October 20, 2018, 08:47:51 pm by Macbeth »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #4 on: October 20, 2018, 10:25:55 pm »
I spent some time, too, looking under the hood for that password. :horse:
Then I was  :palm:  :-DD

Interactive comics is something very original, never seen such a thing before.

As for the rest of the comics, Abstruse Goose is brilliant.  I don't know anybody to be better.  Look:
https://abstrusegoose.com/482
https://abstrusegoose.com/587
https://abstrusegoose.com/183
https://abstrusegoose.com/249
https://abstrusegoose.com/297
https://abstrusegoose.com/324
https://abstrusegoose.com/562
« Last Edit: October 20, 2018, 10:53:22 pm by RoGeorge »
 
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Offline Ampera

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Re: Fun for nerds
« Reply #5 on: October 20, 2018, 10:45:49 pm »
One thing I did find, if you are particularly bored, is that the maze's collision detection is pretty broken, so if you just try at the right angle, you can go through all the walls, and even exit outside the map. After looking at the source code, as it turns out, it's actually using a raycasting engine, something pretty neat for JavaScript.
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Online NiHaoMike

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Re: Fun for nerds
« Reply #6 on: October 20, 2018, 11:32:48 pm »
Yet another xkcd?
Cryptocurrency has taught me to love math and at the same time be baffled by it.

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Offline Mr. Scram

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Re: Fun for nerds
« Reply #7 on: October 20, 2018, 11:34:37 pm »
This is broken to the point of not doing anything on the various devices I tried it on. It seems to not cope very well with any blocking of any kind.
 
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Online sokoloff

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Re: Fun for nerds
« Reply #8 on: October 21, 2018, 01:29:34 am »
Works OK for me on Mac OS Chrome 69.0.3497.100 with uBlock Origin. That blocked two Google syndication ads, so it doesn't seem like it's littered with crapware.
If you have Javascript disabled, well, it's a Javascript puzzle so yeah that's not going to work.
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #9 on: October 28, 2018, 07:51:34 am »
Just Excel



 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #10 on: November 04, 2018, 04:39:30 pm »
Plateau's Rotating Drops, Euler-Lagrange Equations and Bifurcations
Satisfying ^-^



« Last Edit: November 04, 2018, 04:41:45 pm by RoGeorge »
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #11 on: January 14, 2019, 10:08:50 pm »
You got five days!



 ::)

Offline RoGeorge

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Re: Fun for nerds
« Reply #12 on: February 14, 2019, 08:14:18 pm »


 :D

Offline RoGeorge

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Re: Fun for nerds
« Reply #13 on: March 12, 2019, 08:56:00 pm »
 
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Offline apis

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Re: Fun for nerds
« Reply #14 on: March 12, 2019, 09:29:09 pm »
That RCS thruster control mechanism was ingenious.
 

Offline edy

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Re: Fun for nerds
« Reply #15 on: March 15, 2019, 02:11:04 am »
This was fun until the password stage. I tried all the obvious including 'hunter2' then decided this is no fun whatsoever and had a brief dip into the javascript but couldn't find anything worth my time so ended it there.

ETA: Did another run through and it's obvious what the password is, no digging through code needed.  :-DD


Yes same here, I rummaged around for the code in Javascript, ended up even finding some pages here:

https://abstrusegoose.com/sa-comics/578/scripts/login_scripts/login.js

I looked and looked and ended up guessing the password anyways... I won't give away the secret, except to say we have read some of the same Sci-Fi books.  ;)  Still, just as an exercise I am still curious where the compare is being done to see where they stored the password (or are they doing it via calculation which would be a better way to obfuscate it rather than just a string).
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Offline RoGeorge

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Re: Fun for nerds
« Reply #16 on: March 25, 2019, 09:01:44 am »
https://upload.wikimedia.org/wikipedia/commons/6/6b/SquareWaveFourierArrows.gif



Arrows are the fundamental frequency plus the first five harmonics of a square wave.
Magenta dot is the sum of them.  Blue dot is the ideal square wave.  Looks funny.

 ;D

Offline T3sl4co1l

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Re: Fun for nerds
« Reply #17 on: March 25, 2019, 10:16:55 am »
The classic, https://xkcd.com/356/ ;D

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Offline RoGeorge

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Re: Fun for nerds
« Reply #18 on: March 26, 2019, 08:53:06 pm »


 :o
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #19 on: April 01, 2019, 07:41:56 am »
Move along, move along, nothing to see here!



(experimental fun with microwaves starts at 8:43 - never before seen them all in one place)
 ^-^

Offline BrianHG

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Re: Fun for nerds
« Reply #20 on: April 01, 2019, 09:15:31 pm »


 :o
Wholly crap, I had no bloody idea at all that this was even near possible by any means at all.
__________
BrianHG.
 

Offline Gyro

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Re: Fun for nerds
« Reply #21 on: April 02, 2019, 12:46:44 pm »
Move along, move along, nothing to see here!



(experimental fun with microwaves starts at 8:43 - never before seen them all in one place)
 ^-^

Classic stuff, I remember being taken to a Chemistry lecture at the Royal Institution while at senior school. The Christmas lectures were required viewing in our household.

I had forgotten Mr Coates, he was a permanent fixture at the Royal Institution lectures for many, many years! https://www.rigb.org/our-history/people/c/bill-coates
« Last Edit: April 02, 2019, 12:58:47 pm by Gyro »
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Offline RoGeorge

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Re: Fun for nerds
« Reply #22 on: April 05, 2019, 01:27:08 pm »
Vooom-Vooom-Vooom-Vooom!  ;D


Offline Neilm

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Re: Fun for nerds
« Reply #23 on: April 05, 2019, 04:42:06 pm »
Filming the speed of light
Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe. - Albert Einstein
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Offline RoGeorge

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Re: Fun for nerds
« Reply #24 on: April 06, 2019, 11:07:21 am »
 8) Party!


Offline tpowell1830

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Re: Fun for nerds
« Reply #25 on: April 06, 2019, 06:32:25 pm »
A bit of a mix of electrical, electronic, mechanical, 3d printing, machining and kinematics. This is the latest of a long series, episode #15. James does all sorts of projects, but this project is the most sciencey one IMO.

PEACE===>T
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #26 on: April 08, 2019, 10:39:19 pm »
Qute Fourier visualization (interactive): http://www.jezzamon.com/fourier/index.html  :)
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #27 on: April 09, 2019, 10:59:17 pm »
"Aluminium has a relatively low melting point (660°C) but its boiling point (2470°C) is very high. The parabolic shape (funicular curvedes) which the wire takes on when it is heated ensures that the oxide shell does not break. When reducing the current, the wire always breaks.:o


Offline RoGeorge

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Re: Fun for nerds
« Reply #28 on: April 14, 2019, 11:01:17 am »
Watch it to the end, full screen (35 seconds)



Woobl !  ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #29 on: April 14, 2019, 06:34:57 pm »
This rainbow is on fire!  ;D


Offline RoGeorge

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Re: Fun for nerds
« Reply #30 on: April 15, 2019, 11:23:15 am »


 ::)

Offline RoGeorge

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Re: Fun for nerds
« Reply #31 on: April 27, 2019, 02:27:58 am »
Solving EQUATIONS by shooting TURTLES with LASERS



 ^-^
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #32 on: April 30, 2019, 07:35:05 am »


 ;D
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #33 on: May 01, 2019, 06:47:01 am »
A hardware guy writing software:





A software guy doing hardware:





If it didn't work, use SPICE:



 ^-^

Offline RoGeorge

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Re: Fun for nerds
« Reply #34 on: May 02, 2019, 02:57:46 pm »
Yet another Marangoni effect



 :)

Offline edy

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Re: Fun for nerds
« Reply #35 on: May 03, 2019, 07:09:23 pm »
Solving EQUATIONS by shooting TURTLES with LASERS

Thanks for sharing that video, this Mathologer guy is now one of my favourite channels to watch! Pretty cool stuff and he's funny for a mathematician! I just watched one where he talked about squaring triangles and how to prove certain square roots are irrational! Mind blown!
« Last Edit: May 03, 2019, 07:11:09 pm by edy »
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Offline apis

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Re: Fun for nerds
« Reply #36 on: May 04, 2019, 05:59:26 pm »
Mathologer is my favourite maths channel, no competition.
https://youtu.be/qS4H6PEcCCA
 
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Offline T3sl4co1l

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Re: Fun for nerds
« Reply #37 on: May 04, 2019, 10:30:37 pm »
I'd have to place 3blue1brown higher, but it's hardly a competition, they're both well worth watching. :D
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Offline apis

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Re: Fun for nerds
« Reply #38 on: May 05, 2019, 01:04:09 pm »
Yeah, 3blue1brown is also quite good, very nice animations... ... if Mathologer is Batman then 3b1b is Robin. ;)
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #39 on: May 07, 2019, 04:39:57 pm »
SurfaceSight: A New Spin on Touch, User, and Object Sensing for IoT Experiences



 ^-^

Offline RoGeorge

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Re: Fun for nerds
« Reply #40 on: May 11, 2019, 12:04:47 pm »


 :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #41 on: May 12, 2019, 07:06:09 pm »
Thank ebastler for this one:



 :clap:

Offline apis

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Re: Fun for nerds
« Reply #42 on: May 15, 2019, 06:08:51 pm »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #43 on: May 19, 2019, 06:15:01 pm »
Q: What's the most comfortable umbrella during rain?
A: A chain armor, of course!



 ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #44 on: May 21, 2019, 07:24:07 pm »
You are never alone!



 :scared:

Offline RoGeorge

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Re: Fun for nerds
« Reply #45 on: May 25, 2019, 07:53:54 am »


 :o

Offline soldar

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Re: Fun for nerds
« Reply #46 on: May 25, 2019, 03:44:48 pm »
The Bulwer-Lytton Fiction Contest challenges writers to write a really bad opening sentence for a novel.

2005 winner:
Quote
As he stared at her ample bosom, he daydreamed of the dual Stromberg carburetors in his vintage Triumph Spitfire, highly functional yet pleasingly formed, perched prominently on top of the intake manifold, aching for experienced hands, the small knurled caps of the oil dampeners begging to be inspected and adjusted as described in chapter seven of the shop manual. — Dan McKay

2007 winner:
Quote
Gerald began – but was interrupted by a piercing whistle which cost him ten percent of his hearing permanently, as it did everyone else in a ten-mile radius of the eruption, not that it mattered much because for them “permanently” meant the next ten minutes or so until buried by searing lava or suffocated by choking ash – to pee. — Jim Gleeson, Madison, WI
All my posts are made with 100% recycled electrons and bare traces of grey matter.
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #47 on: June 05, 2019, 02:54:05 am »
Fun website where guy trained an AI to understand the relationship between 2000 images of cats and their line art equivalents.
You can draw a cat diagram and have the AI turn it into a real cat photo, or at-least try too :-DD

https://affinelayer.com/pixsrv/

Note: On some computers the website doesn't work. I think it uses some CPU extensions not found in older processors, or maybe it uses CUDA for all the AI processing.



Go ahead and try to sketch you own cat.  Be creative, even unconventional.
See?  ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #48 on: June 12, 2019, 04:33:55 pm »


 :D

Offline RoGeorge

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Re: Fun for nerds
« Reply #49 on: June 13, 2019, 06:21:03 pm »


 8)
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #50 on: June 15, 2019, 06:09:26 am »


If you want just to hear HAARP sounds, it's at minute 18:20  :)

Offline Arjunan M R

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Re: Fun for nerds
« Reply #51 on: June 15, 2019, 01:49:05 pm »
This was fun until the password stage. I tried all the obvious including 'hunter2' then decided this is no fun whatsoever and had a brief dip into the javascript but couldn't find anything worth my time so ended it there.

ETA: Did another run through and it's obvious what the password is, no digging through code needed.  :-DD


Yes same here, I rummaged around for the code in Javascript, ended up even finding some pages here:

https://abstrusegoose.com/sa-comics/578/scripts/login_scripts/login.js

I looked and looked and ended up guessing the password anyways... I won't give away the secret, except to say we have read some of the same Sci-Fi books.  ;)  Still, just as an exercise I am still curious where the compare is being done to see where they stored the password (or are they doing it via calculation which would be a better way to obfuscate it rather than just a string).
Any more clues for the password.
Having a hard time figuring it out. :( ???
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #52 on: June 15, 2019, 03:24:35 pm »
If we could just know the answer to everything, then we will know this password, too.   ^-^
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #53 on: June 16, 2019, 05:47:25 pm »
A French dude during Napoleon times was trying to calculate how the heat spread in a metal plate.  What could go wrong?

About quarter of millennia later:
- 5G
- mobile phones
- WiFi
- mp3, Photoshop, CGI special effect
- digital oscilloscope, SA, VNA
- MRI, NMR
- crystallography, LHC
- astronomical spectroscopy
- insert almost whatever here ...

The dude's name was Fourier.



 ^-^

Offline RoGeorge

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Re: Fun for nerds
« Reply #54 on: July 31, 2019, 01:26:26 am »

Offline RoGeorge

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Re: Fun for nerds
« Reply #55 on: August 17, 2019, 05:17:46 pm »


 :-DMM

Offline RoGeorge

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Re: Fun for nerds
« Reply #56 on: August 20, 2019, 06:47:51 am »
Rename the attached video from ".webm.png" to ".webm" only, then play it.

Fun?  OK.
 ;D

Now play it in a loop, while looking at the yellow wheel.
The yellow wheel turns, suddenly stops, then rotates again.
Who's locking the wheel?
 :o

This is how it should look, but still, seeing it is mesmerizing.
Relativity of the observer at its finest.
 ^-^

« Last Edit: August 20, 2019, 09:00:34 am by RoGeorge »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #57 on: September 04, 2019, 09:37:25 am »


 :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #58 on: September 06, 2019, 07:52:53 am »


 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #59 on: September 19, 2019, 05:27:46 pm »


Totally bamboozled!   :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #60 on: September 24, 2019, 05:46:46 pm »


Mastering Slavery 101   ::)

Offline RoGeorge

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Re: Fun for nerds
« Reply #61 on: September 27, 2019, 08:40:21 pm »


 ^-^

Offline RoGeorge

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Re: Fun for nerds
« Reply #62 on: October 02, 2019, 05:53:11 pm »



Offline RoGeorge

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Re: Fun for nerds
« Reply #63 on: October 09, 2019, 10:12:49 am »


 ???

Offline RoGeorge

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Re: Fun for nerds
« Reply #64 on: October 10, 2019, 04:08:14 pm »


And not to mention Iron Man, too!   ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #65 on: October 11, 2019, 10:48:02 am »


Smokin' at 4:20!  ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #66 on: October 13, 2019, 08:46:00 pm »
"Everything is relative" bamboozles again:



 ;D

Offline RoGeorge

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Re: Fun for nerds
« Reply #67 on: October 15, 2019, 05:19:09 am »


 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #68 on: October 19, 2019, 03:35:28 am »


 ::)

Offline RoGeorge

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Re: Fun for nerds
« Reply #69 on: October 27, 2019, 03:53:14 pm »
A one minute video puzzle:



 :-DMM

Offline RoGeorge

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Re: Fun for nerds
« Reply #70 on: October 29, 2019, 07:48:40 am »

Offline RoGeorge

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Re: Fun for nerds
« Reply #71 on: November 02, 2019, 11:36:33 pm »


 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #72 on: November 07, 2019, 01:33:04 am »


 :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #73 on: November 19, 2019, 07:11:56 pm »


 8)

Offline RoGeorge

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Re: Fun for nerds
« Reply #74 on: November 21, 2019, 12:31:14 am »


 :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #75 on: November 23, 2019, 06:52:29 pm »
 8)  A new type of electronic component, the BiZen transistor:

877356-0

Circuit symbol for the Bizen (Bipolar-Zener) transistor showing the input which uses the quantum tunneling effect.  (Image: SFN)
https://www.eetimes.com/document.asp?doc_id=1335216#

https://hackaday.com/2019/11/23/new-part-day-the-bizen-transistor/



« Last Edit: November 23, 2019, 06:54:02 pm by RoGeorge »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #76 on: November 25, 2019, 01:36:24 pm »
Stolen from de∫hipu:
 :D

Offline RoGeorge

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Re: Fun for nerds
« Reply #77 on: November 30, 2019, 09:07:22 pm »


 8)

Offline RoGeorge

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Re: Fun for nerds
« Reply #78 on: December 02, 2019, 08:30:40 pm »
Lab with a quantum computer:



(it only makes sense after reading their papers)  ::)

Offline RoGeorge

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Re: Fun for nerds
« Reply #79 on: December 07, 2019, 03:20:24 pm »
A real tale with spies and physicists and H-bomb plans lost in a train.   8)
https://phys.org/news/2019-12-hydrogen-secrets.html

Original article
https://physicstoday.scitation.org/doi/10.1063/PT.3.4364
Same content, PDF magazine scan
https://physicstoday.scitation.org/doi/pdf/10.1063/PT.3.4364
« Last Edit: December 08, 2019, 02:58:19 pm by RoGeorge »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #80 on: December 14, 2019, 03:56:27 pm »


 :o

Offline RoGeorge

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Re: Fun for nerds
« Reply #81 on: December 20, 2019, 12:03:58 pm »


 ^-^

Offline RoGeorge

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Re: Fun for nerds
« Reply #82 on: January 07, 2020, 07:25:40 pm »


 :o



About the same info as text:
https://hackaday.com/2020/01/07/the-oldest-nuclear-reactor-natures-2-billion-year-old-experiment/

A photo of such a nuclear reactor
Oklo: Ancient African Nuclear Reactors
https://apod.nasa.gov/apod/ap100912.html
« Last Edit: January 07, 2020, 07:38:14 pm by RoGeorge »
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #83 on: January 09, 2020, 11:10:33 pm »


 :-+

Interesting paper about another subject, correcting RF leakage:
Scalar Network Analyzer Leakage Correction, by Ted Yapo
https://drive.google.com/file/d/132w56treJsABD6a_0f7Oilfb4Dvm1751/view
published in https://journal.hackaday.io/current

Offline RoGeorge

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Re: Fun for nerds
« Reply #84 on: January 10, 2020, 10:41:56 pm »


 ;D
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #85 on: January 12, 2020, 09:48:15 pm »
Old gems:



 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #86 on: January 17, 2020, 12:57:13 am »


 :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #87 on: January 28, 2020, 07:48:09 pm »
Q: - What animal gives milk?
A: - The fly.



 :o  Tsetse fly.

Offline RoGeorge

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Re: Fun for nerds
« Reply #88 on: January 29, 2020, 04:38:54 pm »


Boston Dynamics' new year resolutions for 2020 are about making a business turn.
Better don't go into law enforcement, BD, don't go there.  ::)
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #89 on: January 31, 2020, 11:46:02 am »


Waiting for the first Li-Fu battery in 3, 2, 1,  ;D
« Last Edit: January 31, 2020, 11:48:12 am by RoGeorge »
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #90 on: January 31, 2020, 11:55:34 pm »
Shhhhh!  Be vewy, vewy, quiet.
He's gonna say about some wabit.
:P



Offline 1Ghz

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Re: Fun for nerds
« Reply #91 on: February 01, 2020, 10:22:03 am »


Very nice cover
 

Offline RoGeorge

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Re: Fun for nerds
« Reply #92 on: February 10, 2020, 08:18:11 pm »


 ;D

States of Matter by David L. Goodstein
 
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Offline RoGeorge

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Re: Fun for nerds
« Reply #93 on: February 12, 2020, 02:44:15 pm »
The "Deep Look" team is usually doing videos like this:



now opening a new channel, "PBS Terra", about ANTARCTICA



Subscribed!   :)

Offline RoGeorge

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Re: Fun for nerds
« Reply #94 on: February 16, 2020, 03:15:29 pm »


 :-DD

Offline RoGeorge

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Re: Fun for nerds
« Reply #95 on: February 17, 2020, 02:42:47 pm »


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