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  #1601  
Old 02-05-2022, 06:41 AM
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Default Re: Drive by science

I dug this picture of a snake.
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  #1602  
Old 02-12-2022, 11:20 PM
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Default Re: Drive by science

Was watching a video and found the nano actuator controls on the Webb interesting.

A stepper motor spins an off center cam in this flexure which moves the middle arm up and down, pulling or pushing on the outer legs which then causes a shift of nanometers in the bar above.

The same motor runs the coarse corrections and if enough fine adjustment is made the tab on the top wheel of the coupler hits the bottom one and begins rotating the geared coarse adjustment.



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  #1603  
Old 02-15-2022, 12:28 PM
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Default Re: Drive by science

Today's APOD is interesting. If you haven't already seen it, what celestial body is this and what's unusual about the processing?



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  #1604  
Old 02-19-2022, 12:40 PM
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  #1605  
Old 02-19-2022, 01:33 PM
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Default Re: Drive by science

Reminds me of this:
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  #1606  
Old 02-19-2022, 02:39 PM
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Default Re: Drive by science

When he got to "have you ever been to a truck stop?" it reminded me of the scene from Airplane when Leslie Nielsen asks the kid if he's ever been to a Turkish bath (or something to that effect).
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  #1607  
Old 02-19-2022, 05:21 PM
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Default Re: Drive by science

Do you like Gladiator movies?

Have you ever seen a grown man naked?
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  #1608  
Old 03-16-2022, 04:52 PM
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Default Re: Drive by science

While experimenting with Shrinky Dink plastic, I came across this.

Shrinky Dink Microfluidics - Jennifer Boryczka - OpenWetWare

"Shrinky Dink Microfluidics is a cutting-edge method to design and rapidly produce microfluidic devices with rounded channels. This method was first designed in 2008 by Michelle Khine’s group at the University of California Irvine [1]. The method takes advantage of the shrinking capabilities of the toy called Shrinky Dinks to print larger designs and then shrink the design to allow for the microfluidic device size. It requires Shrinky Dink plastic papers, or other shrinking plastics, to take a printed design and with heat shrink down the width and increase the height of the design. This shrunk design is then used as a master for rapid casting of devices. This can be used for rapid prototyping or simple and rapid device development with the added benefit of having rounded channels. Subsequent reports have described the same approach using different plastics [2] or cutting the pattern out of the sheets rather than printing the designs"
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  #1609  
Old 03-27-2022, 11:28 PM
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Default Re: Drive by science

Random weird little video showing the effects of gravity on various celestial bodies by dropping a pallet of lumber on a car
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  #1610  
Old 03-28-2022, 09:44 AM
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Default Re: Drive by science

Quote:
Originally Posted by Kamilah Hauptmann View Post
weird
The weird twiddly music was unnecessary - as was reading out the text - muted.

Some questions: a solid driveway on Uranus, Saturn, and Jupiter?
a solid and non-incinerating driveway on the sun?
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  #1611  
Old 03-28-2022, 06:34 PM
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  #1612  
Old 04-04-2022, 09:31 PM
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Default Re: Drive by science

Pluto’s peaks are ice volcanoes, scientists conclude | Pluto | The Guardian

ICE VOLCANOES.
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  #1613  
Old 04-04-2022, 11:56 PM
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Default Re: Drive by science

That's the title of the next techno-New Age album I put out.
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  #1614  
Old 04-05-2022, 12:19 AM
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Default Re: Drive by science

Would not a more appropriate name be HIEMANOES, or something.

I don't think old Vulcan really would care for the association.
I mean, What next? We gonna have fire Icicles.
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  #1615  
Old 04-17-2022, 05:34 AM
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Default Re: Drive by science

Research finds anti-matter falls just like normal matter. Just like we expected :cheer:
BASE breaks new ground in matter/antimatter comparisons | CERN

I think I like this experiment so much because it really encapsulates experimental physics. Fancy philosophizing around complex theories is all fine and good, but letís take a real thing, measure it, and see what happens!

The problem: Matter and anti-matter appear to be the same except for opposite charges, yet here we are, tons of matter, no anti-matter. Oh and when they touch they go zap into other particles, hopefully none of our tools are made out of matterÖ oh crap.

Basic properties of anti-matter have been assumed but not fully observed in reality, this experiment is here to change that. A precision measurement of how an anti-proton behaves in the earths gravitational field.

While assumed it would fall straight down, the chamber was made large enough to detect any stray movement, including in the upward direction just in the extremely, extremely, tiny chance anti-matter is also anti-gravity. Which is why I love this experiment so, itís easy to just say ďThat wonít happen, letís not waste the time.Ē But instead this experiment says ďLetís test it, just to be sure.Ē

The Findings: Anti-matter falls like matter to the precision of 16 parts per trillion. Which gather no headlines, because it seems like a null result, even though every well made physical measurement is useful data.
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  #1616  
Old 04-19-2022, 09:51 PM
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Default Re: Drive by science

Watching salt form inside a carbon nano-tube pipette.
Actual footage starts around 2min.

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  #1617  
Old 05-22-2022, 01:15 PM
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Default Re: Drive by science

APOD: 2022 May 22 - Tsunami Bolts from the Sun



(It's a non-looping gif so refresh page to see it again)
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Old 05-23-2022, 08:45 PM
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Default Re: Drive by science

Chimpanzees have their own language ‚ÄĒ and scientists just learned how they put "words" together | Salon.com
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Old 05-24-2022, 06:18 AM
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  #1620  
Old 05-28-2022, 12:40 PM
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Default Re: Drive by science

A colony of blue-green algae can power a computer for six months
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  #1621  
Old 05-29-2022, 08:52 AM
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Default Re: Drive by science

Quote:
0.3 microwatts
Impressive. That's only about 3000 years to charge a phone battery.
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  #1622  
Old 06-07-2022, 06:14 PM
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Default Re: Drive by science

Drive by ramble. In general Iíve been researching how modern cons find their marks.

In pop-science itís common for vagueness and claims of things being complicated, confusing,weird, etc. so just donít worry about it, and it seems to be where the psuedo-science steps in and breaks off a chunk of viewers.

Veritasium videos seem to get a ton of ďYouíre all dumb, I know the right answer!Ē Comments, compared to more grounded science channels that donít and it all seems to be coming from a few psuedo-science books.

While it may just be viewer size Iím starting to think that the vagueness often given in Veritasium videos triggers an insecurity, that these scientists who think they know better are claiming to have secret knowledge that the viewer doesnít, so just trust them. Which sets the viewer off to prove them wrong, they find a psuedo-science that frankly if all you knew of science was pop-sci videos, sounds quite a lot like real science, only itís saying that they are right and the know it all scientist is wrong, filling the insecurity that the pop-sci video triggered.

Iím not sure how to fill that gap, but it seems like pop-sci videos should include a bit of the Ďtoo complex for viewers to graspí math and stats and stop acting like things are too complicated for the actual viewer.

(Yes this is another beef with the combative gotcha way Veritasium Ďteachesí science).
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  #1623  
Old 06-08-2022, 01:45 PM
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Default Re: Drive by science

Quote:
Originally Posted by Ari View Post
While it may just be viewer size Iím starting to think that the vagueness often given in Veritasium videos triggers an insecurity, that these scientists who think they know better are claiming to have secret knowledge that the viewer doesnít, so just trust them.
Mod note: please don't discuss the secret knowledge in a public sub-forum.
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  #1624  
Old 06-22-2022, 10:47 PM
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Default Re: Drive by science

I found this little guy growing in my tomato plant pot, the picture is poor because it’s so so small, smaller than the little plants on the back of a dime. I would have tried to take a better picture, but a mere hour and a half later it had shriveled up and all but disappeared.

Mycelium can’t exist long without humidity as the hyphae cells can’t prevent evaporative water loss. mushrooms are partly spongy cells that both hold water and reduce loss. When it’s ready to go, the damp underground network pumps it full of water to inflate it battling the water loss of the open air to release hardened spores that can withstand the harsh and dry environment. Some go for large bodies that take time to develop but can withstand the onslaught, others go for extremely fast development that appears and disappears in less than a day.

It would be like if humans reproduced by suddenly growing an appendage which was then dipped into lava where it would melt off but not before depositing hardened heat resistant crystal eggs.
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Last edited by Ari; 06-23-2022 at 03:20 AM.
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  #1625  
Old 06-23-2022, 08:00 AM
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Default Re: Drive by science

Quote:
Originally Posted by Ari View Post
It would be like if humans reproduced by suddenly growing an appendage which was then dipped into lava where it would melt off but not before depositing hardened heat resistant crystal eggs.
:boythink::writing:
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