this post was submitted on 16 Jun 2025
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Science Memes

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[–] [email protected] 18 points 1 day ago (1 children)

Imagine if he had to apply for funding

"these waves have the potential to transform how we communicate and will likely find world wide usage"

He would actually be right unlike all the other funding applications which are largely oversold.

[–] [email protected] 4 points 1 day ago

I mean it's kind of bizarre that he couldn't think of a practical application. We literally use invisible waves to communicate already, these ones move at light speed, how could that not be useful?

[–] [email protected] 18 points 1 day ago (2 children)

Hilariously, light is an electromagnetic wave.

So, yes, we can see electromagnetic waves.... Just, only a very small segment of them.

How wrong he was. Now we use EM daily for everything.... Communicating via Wi-Fi, listening to music in the car (FM broadcast), or via Bluetooth and using LTE... Even heating our food. Not to mention medical applications like X-rays...

There's a shitload of stuff we use EM for without even thinking. It's all around us, all the time, like the matrix. I love EM science.

This goes to show you that, just because someone discovered a thing, doesn't mean that they have any idea what to do with that discovery, or that the discoveries end there....

Before, reality was just what humans could touch, smell, see, and hear, but after the publication of the charged electromagnetic spectrum, we now know that what we can touch, smell, see, and hear, is less than one-millionth.

[–] [email protected] 13 points 1 day ago

I still like the fact that the guy that invented super glue was very annoyed by how sticky it was.

[–] [email protected] 4 points 1 day ago (1 children)

And Mantis Shrimp still continue to baffle me in the amount of EM range they can sense/see.

[–] [email protected] 6 points 1 day ago

I think new research says otherwise.

[–] [email protected] 8 points 1 day ago (1 children)

TIL: I'm just like Hertz

Nothing, I guess

[–] [email protected] 5 points 1 day ago

Aw, cheer up; someone will apply you in thirty to forty years.

[–] [email protected] 167 points 2 days ago (15 children)

Faraday, after demonstrating how moving a magnet through a coiled wire induced a current in the wire was asked by a visiting statesman what was the use of this.

Faraday responded, "In twenty years, you will be taxing it"

Similarly, at a demonstration of hot air balloons in France, Benjamin Franklin was asked "Of what use is this?"

Franklin replied, "Of what use is a newborn baby?"

[–] [email protected] 12 points 1 day ago

"Mr. Franklin, of what use is this hot air balloon contraption?"

"You can take ladies up in it with a bottle of wine and a blanket and you know, they can’t refuse, because of the implication. Think about it. She's floating up in the middle of the sky with some dude she barely knows. You know, she looks around, and what does she see? Nothing but open air. 'Ahhhh! There’s nowhere for me to run. What am I gonna do, say ‘no?’"

[–] [email protected] 22 points 2 days ago (1 children)

Sounds like Faraday understood the... potential.

[–] [email protected] 8 points 2 days ago

Funnily enough, Faraday seemingly also understood that the Electric Field only possesses a potential in the absence of changing magnetic fields. Because only in the absence of changing magnetic fields, the rotation of the Electric Field is zero, and only then it has a potential.

[–] [email protected] 41 points 2 days ago (1 children)

Everything I've ever heard about Franklin makes him a boss. This is a new one.

[–] [email protected] 36 points 2 days ago (3 children)

Here's a little known fact that is not true, which will bring some nuance to the previous anecdote, Benjamin Franklin ate babies.

[–] [email protected] 20 points 2 days ago (4 children)

Another one that is true but sounds like an onion.

He enjoyed the company of GILFS

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[–] [email protected] 18 points 2 days ago

That's a really cool Franklin quote. Visionary.

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[–] [email protected] 233 points 2 days ago (3 children)

He probably would have figured it out had he had time to evolve into Megahertz.

[–] [email protected] 87 points 2 days ago (1 children)

Then ascended to become pure EM spectrum as his final Gigahertz form.

[–] [email protected] 55 points 2 days ago (6 children)

With great power comes great corruption and tyranny. So begins the dark era of Terahertz

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[–] [email protected] 191 points 2 days ago (4 children)

If you think about it, almost all computer-technology is radio. Wifi, bluetooth, GPS, radar, and cellular are literally radio. Meanwhile everything else runs on transistor tech developed and refined... for radios.

Our modern economy couldn't exist if people like Hertz and Maxwell didn't get to toy with their useless hobbies. But we can't rely on the curiosity of the leisure class anymore. Basic research is expensive, necessary, and a public good. I'm afraid that the Trump regime has already spoiled the secret sauce that makes America the technology leader of the world.

[–] [email protected] 54 points 2 days ago (1 children)

Transistors were mostly developed for telephone systems (the ones with wires) as a replacement for tubes. And the modern tech used for radios is very different from that used for computers.

[–] [email protected] 52 points 2 days ago

Ithink you could be more charitable in your reply. Transistors were developed to replace tubes in telephone systems... Okay but the tubes had been developed to where they were because of their usefulness in radio.

And while computers don't inherently rely on radio, it's radio communication that's taken computers from one in every office to one in everyone's pocket. Right? The main thrust of the previous commenter is true.

[–] [email protected] 33 points 2 days ago (2 children)

Even more than that, just proving Maxwell was right was a key stepping stone to all of modern physics. Maxwell, not Einstein, was the first to show that the speed of light is invariant, and Einstein's Relativity was a framework for explaining how tf physics works if that's actually true. Prior to Einstein, physists all just kind of assumed there was some flaw in Maxwell's theorems to lead to this crazy speed invariance, but as the evidence just kept piling up in favor of Maxwell, they started having to wrestle with the uncomfortable thought that this could actually be true. In this sense, Hertz can also be thought of as an important step to Einstein and beyond, and almost all of our modern technology.

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[–] [email protected] 31 points 2 days ago (2 children)

We stand on the shoulders of giants etc etc. But it seems odd to me that they wouldn't think about using this for communication at least.

[–] [email protected] 19 points 2 days ago (2 children)

It's not always immediately obvious to what end you can use a new innovation. For instance, the Romans discovered and built a steam engine. But nobody connected the dots that it could be used to power a train.

To me, it showcases the main reason why we need to collaborate. Only together, we can exponentially increase the potential of everything we build.

[–] [email protected] 7 points 2 days ago

Imagine industrial revolution Roman Empire, thank fuck they didn't connect the dots.

[–] [email protected] 6 points 1 day ago (4 children)

Herons steam "engine" had no power whatsoever and was not scalable. And even if it would have been scalable, they had had no fuel to drive it.

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[–] [email protected] 17 points 2 days ago (1 children)

https://en.m.wikipedia.org/wiki/History_of_radio

By August 1895, Marconi was field testing his system but even with improvements he was only able to transmit signals up to one-half mile, a distance Oliver Lodge had predicted in 1894 as the maximum transmission distance for radio waves.

I suppose beyond the engineering know how required they were looking at possible transmission ranges and thinking it simply wasn't practical, square law and all that.

[–] [email protected] 16 points 2 days ago

This.

There are often actual limits to what can be done, and there are practical limits. Especially in the early days of a technology it's really hard to understand which limits are actual limits, practical limits or only short-term limits.

For example, in the 1800s, people thought that going faster than 30km/h would pose permanent health risks and wouldn't be practical at all. We now know that 30km/h isn't fast at all, but we do know that 1300km/h is pretty much the hard speed limit for land travel and that 200-300km/h is the practical limit for land travel (above that it becomes so power-inefficient and so dangerous that there's hardly a point).

So when looking at the technology in an early state, it's really hard to know what kind of limit you have hit.

[–] [email protected] 9 points 1 day ago

If only he knew his discovery would lead to the worst car rental company he problem wouldn't have published

[–] [email protected] 106 points 2 days ago (2 children)

I feel like I hear about this guy once every second

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[–] [email protected] 130 points 2 days ago (18 children)

I mean, it would be some 25 years until the radio was invented. And Hertz' machine required a 30kV spark on a 2.5m meter long antenna with 2 solid 30cm zinc spheres, and his transmission range was something like "barely down the hall".

Not the most practical method.

[–] [email protected] 74 points 2 days ago (1 children)

I'm sure someone thinks it's perfect for their use case, semi relevant xkcd:

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[–] [email protected] 1 points 1 day ago

It's why Michael Faraday will always be my fave; a blue collar genius. He designed, created, and built the equipment that eggheads used to test their hypothesis and mathematical equations.

[–] [email protected] 59 points 2 days ago* (last edited 2 days ago) (2 children)

This post tickles a fond memory of mine. I was talking to a right-wing libertarian, and he said there should be no research done ever if it couldn't prove beforehand its practical applications. I laughed out loud because I knew how ignorant and ridiculous that statement was. He clearly had never picked up a book on the history of science, on the history of these things:

  • quantum mechanics. It would be a shame if the poor libertarian didn't have semiconductors in his phone, or if he didn't have access to lasers for his LASIK surgery (which he actually did have), both of which are technologies built by basic research that didn't have practical applications in mind.
  • electromagnetism. It would be a shame if the poor libertarian was having his LASIK surgery and the power went out without there being a generator, a technology built by basic research that didn't have practical applications in mind.
  • X-rays. It would be a shame if the poor libertarian didn't have x-rays to check the inside of his body in case something went wrong, a technology built by basic research that didn't have practical applications in mind.
  • superconductivity. It would be a shame if the poor libertarian didn't have superconductors for an MRI to check the inside of his body in case something went wrong, a technology built by basic research that didn't have practical applications in mind.
  • radio waves. It would be a shame if the poor libertarian didn't have radio waves for his phone and computer's wifi and bluetooth to run his digital business, technologies built by basic research that didn't have practical applications in mind.
[–] [email protected] 37 points 2 days ago (3 children)

When talking with libertarians you should keep in mind they have completely different axiomatic values. It is often the case that they understand a certain policy would be on net bad for everyone, they simply don't care. They are rarely utilitarian about those issues.

I get along much better with libertarians who justify libertarianism with values extrinsic to just "muh freedom" -- they are usually much more willing to yield ground in places where I can convince them that a libertarian policy would be net negative, and they have also moved me to be more open minded about some things I thought I would never agree with.

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[–] [email protected] 47 points 2 days ago (1 children)

Was he the guy that started that rental car company?

/s

[–] [email protected] 25 points 2 days ago (2 children)

His customers lamented that driving was so boring and they wished there was some magical way for the cars to play music.

Oh well. Nothing to be done there.

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[–] [email protected] 85 points 2 days ago (2 children)

this type of science-discovery to usefulness-realization latency is the norm, pretty sure Curie didn't envision nuclear power plants

[–] [email protected] 49 points 2 days ago (7 children)

I suppose it's like asking a biologist what type of dishes would they do with a plant species they just discovered

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[–] [email protected] 60 points 2 days ago (2 children)

There's a good NPR podcast in the same vein as this: https://www.npr.org/sections/money/2017/06/21/533840751/episode-779-shrimp-fight-club

It's about congressman talking about government waste and targeting the sciences. It's like, you don't get the "cool" applications without the "weird" research. I'm doing a horrible job describing it, but I thought it was a good listen.

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[–] [email protected] 6 points 1 day ago

The germans are really something else, what innovation hasn't sprung from their imagination?

[–] [email protected] 42 points 2 days ago (1 children)

I feel like this is a very "scientisty" thing - the theoretical aspect is so fascinating and being able to fit all the pieces into a model that is mathematically accurate is the reward.

Considering the practical application of the model and how it can benefit society (or in other words, be marketed for profit) takes a different set of skills.

[–] [email protected] 30 points 2 days ago

I absolutely detest the equivocation of "benefits society" and "marked for profit".

Plenty of things have been discovered to have practical applications which can benefit society yet are shelved or have its implementation frustrated because it cannot be exploited for profit or threatens the profits of a preexisting application which it would replace.

[–] [email protected] 28 points 2 days ago (5 children)
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[–] [email protected] 44 points 2 days ago (4 children)

This may be an even better example than the positron. Originally a theoretical antimatter form of the common electron, with no practical application.

Turned out to be a vital tool for medical imaging. If you or someone you know has ever had a PET scan, now you know what the P stands for.

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