I live in the here and now, and I’m still baffled by wireless internet. It’s modern sorcery
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Little bots screaming 1s and 0s at each other really fast at a pitch you can't hear.
It’s not even sound, because it doesn’t vibrate air molecules. If that were the case, it wouldn’t work in space for communicating with things like GPS satellites.
They use light. Because wifi/radio/Bluetooth/etc are all just electromagnetic, which can be converted directly into light that is outside of the visible spectrum. The same way that a lightbulb works. And it only works because in higher bands most solid objects just sort of look like they’re made of glass. They don’t block those bandwidths, so the light is able to pass through them like a window. That includes things like your body. They’re just shining light directly through you.
It’s akin to your phone and router flashing Morse code at each other with invisible flashlights.
I remember finding out about wireless internet from an Intel TV ad. There was somebody with a laptop, browsing internet (probably an AOL page or something like that considering the era) sitting on a chair in the middle of a stadium, with no cable to be seen.
I thought “well that’s stupid, I know you can avoid the power cable for a while if there’s a battery, but if he’s browsing the internet, there has to be a network cable”. But the ad ran over and over on TV, clearly insisting there was no cable, so I was like “hm wait…”.
Eventually I read about wireless networks somewhere a couple of weeks later, and suddenly it all made sense.
I studied RF in college and it's still sorcery. You wanna see a cool of the dark arts? Read up on QAM...
https://en.m.wikipedia.org/wiki/Quadrature_amplitude_modulation
Smart phones. Not even Star Trek could predict we would all be walking around with a slab of glass that is exponentially more powerful than computers that took up entire rooms, can communicate with others sub-second via voice, images, video, or text, can access the sum total of public human knowledge at the blink of an eye, and can guide you to any location with a map for everywhere you want to go. It’s really powerful stuff and it’s in everyone’s hands.
You mean the PADD?
You know what I was thinking is weird about this the predicted tablet computers but somehow they didn't predict emailing the files to your superior.
Sir I have finished my report, here, have my entire table computer, I'll go get another. I can see you already have six others, but this one has my word document on it.
Although there are people where I work that actually think that's how computers work.
I would take a pic of a middle-ages person with my phone, show it to them and tell them I stole their soul. Then I'd be beaten, hanged, burned, and drowned for witchcraft. Still, it'd be hilarious.
You'd be screaming (with laughter, and pain) all the way to the pire!
We have sigils carved into refined rocks that can simulate the universe
The more time I've spent studying and researching new tech, the more I feel like, even to people today, our technology is magical.
I'm a medical diagnostic technologist. I understand how a CT and MRI machine work. They're still the stuff of magic imo. A lot of people take these technologies for granted because they're fairly prominent, but do you have any idea how a spinning magnet produces high quality, 3d images of the inside of your body? Very few people do. It's still freaking amazing and ingenious when you do understand it. Remodeling a CT scan into a 3d render is similarly impressive. The amount of calculations that take place within the space of seconds would take years for someone to do on paper, and we do 25-30 patients a day in our one machine at my location.
AI is making a big wave in my field too. Pretty soon we may only need radiologists to oversee AI rather than having to diagnose every exam themselves. AI on our consoles will be able to diagnose before we even send our images to a rad since they're so good at pattern recognition. Their readings have shown to be more accurate than a radiologist in some studies.
50 years ago we didn't even have consumer computers. Now our computers can diagnose and type a pneumothorax more accurately and faster than a doctor who has spent his whole life diagnosing xrays.
Well we'd all be burned as witches, so hopefully you are bringing people forward in time, not tossing them backwards. I'd expect my time traveler to be stunned by nearly everything:
Flush toilet
Electrical anything
Telephone, speakers, TV
I took a networking course in college and loved it but you still can't convince me that radio isn't magic. Even knowing the mechanics of it doesn't help - it's so freaking crazy. Fiber optic data transmission is such an awesome technology but even that doesn't confuse me like radio, or broadcast tv.
l can think of one magic-technology that appeared during my lifetime:
E-Ink-Readers.
I mean, script suddenly appearing out of thin air on flat, solid surfaces? WTF?
I even studied enginering in the early 90's and would not have been able to come up with a technological explaination if I had encountered one of those back then...
I mean sure, but…from an uninformed perspective an LCD or even a CRT monitor are going to appear just as magical, if not more so.
But that's exactly the point.
E-Ink Displays would have been unable to explain for me from my thoroughly * informed * perspective as an HF and digital communications student.
Active displays in one form or another had been around for 50 years or so at that time. So have been practially all base technology concepts of the much mentioned smartphones. Nothing magical about an optimized version, just extrapolation.
But E-Ink? A * brand new * technology * without prior art * rapidly emerging from obscure theoretical concept to widespread use within just 15 years or so...
I am actually still a little bit awed each time I switch on one of those...
Try explaining titanium bone implants or the process of getting metallic aluminum to a Sumerian coppersmith
This sphere has an evil magical aura that really wants to tear your body apart. Now watch what happens when I remove the screwdriver!
High speed rail, they would probably not believe their eyes if they saw a train going by with 300 kmh.
LOL, can you imagine the pantaloons after an F-22 Raptor does a low altitude flyby?
I read somewhere that we are going to set up solar panels in space convert the electcity to radio radios, beam it to earth, then convert it back to electricty.
To anyone that wasn't Nikola tesla, that just sounds insane.
Nah, that's not an actual plan that's being implemented. It's basically a thought experiment at this point. The problem with wireless energy transfer at that scale is that it takes a fuck ton of output power to generate a little bit of input power at a distance (inverse square law)
I mean, any lcd screen. It's a magical flat surface that can display any image. Add a battery and now it's completely untethered and silent.
Wireless telephone and internet would baffle even someone from the sixties.
I mean we gather these black rocks called silicone and refine them, then we cut them to plates and inscribe them with microscopic runes using light and very secret mixtures. Next we use lighting on it to make it think for us.
Look at what you did. You took perfectly good sand and gave it anxiety
An LED flashlight.
You have a device you can fit in your pocket that can shine a light so bright that it looks like day.
The entire advanced mathematics. Go sufficiently far and mundane matrix multiplication will look like daemonic sigils. Write out a moderately complex math proof and you're essentially commanding inhuman tongue. Then when you convince them that it's really not devil summon spell you can tell the old era folks, that all these symbols is why the sun rises as fast as it does and moon has phases.
I’m 46 years old. In my lifetime, we’ve gone from being able to put half an hour on one side of an LP or cassette to being able to put a full album on a CD to being able to put a few hundred songs on an early MP3 player to being able to stream unlimited music almost anywhere in the world. That feels like magic to me.
Smart phones. The caveat being you couldn't take one back in time and impress them because the internet and cellular network wouldn't be there.
I remember a great answer to this somewhere and they said a solar powered 4 function calculator is the simplest thing we have today that would blow people's minds. You really don't even need a scientific one to achieve the effect. Apart from the obvious (quick math, LCD display, and solar power) it also uses plastic.
I can't believe 3D Printing hasn't been mentioned. Summoning figures from the ether would almost certainly get you tried as a witch.
I can create anything your heart desires, as long as your heart desires simple plastic objects and it's prepared to wait five hours.
I think 3D printers will really become mainstream when they're a bit more capable.
People in the past had a lot of weird technologies, trickery and magician stage plays. I don't think a laser pointer would be out of the ordinary, unless you'd try to explain what it actually is. I can imagine people would just assume it's a trick.
Now, a cutting laser... That could be interesting.
But I wonder how people in the past would react to stuff like audio and video recording and immediate playback. I always thought that is something that screams "impossible" unless you're already familiar with it.
Just about anything to do with a smart home. I can control lights and appliances in my home from anywhere in the world using my phone (magical) or just my voice.
Also appliances of most any type. A refrigerator magically contains winter all year 'round, a heater, oven and electric cooktop provide heat without the fire, and a microwave heats things without heat.
Remote controlled garage doors.
The Saturn V Rocket, The reusable Falcon rockets spacex uses(my jaw still drops watching those things land), The US NAVY's Rail Gun(until they canceled the project in 2021), That new globe screen doohicky in Vegas.
Photography. Simple as that, would blow people's minds.