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Προοπτική Βάτραχου

@prooptiki

Prooptiki Vatrachou, a frog's eye view.

We find good technical/sciency videos about random stuff and post them here.

Suggestions and feedback: post in the comments to any video

https://www.youtube.com/watch?v=GkbMQILr25Q

Open in Telegram

Subscribers: 239
Photos: 237
Videos: 339
Links: 837

Recent Posts 20 shown

Post #1249 215 Jun 18, 2026, 07:11 UTC

Forwarded from http://acid.im:999/2/lemuria/xenodemon.html

http://acid.im:999/2/lemuria/xenodemon.html Photo

prebuilt_hires.png21.5 MB

Post #1248 210 Jun 18, 2026, 07:11 UTC

Forwarded from http://acid.im:999/2/lemuria/xenodemon.html

🔥 2

Post #1247 245 Jun 10, 2026, 16:03 UTC

https://vm.tiktok.com/ZNRce2C6P/

❤ 4

Post #1246 272 May 29, 2026, 15:50 UTC

Forwarded from ПШ

«Энергомаш №1»

Холст/масло
70×55
2024

❤ 3
🔥 2

Post #1245 231 May 28, 2026, 13:08 UTC

https://www.youtube.com/watch?v=sM0vMP5zoUw

YouTube Project Excalibur: Nuclear Bomb Pumped X-Ray Laser An early proposal for the panacea that is a ballistic missile defense shield was to detonate nuclear weapons in space and direct the resulting energy using a novel form of laser. The idea was dangerous, inefficient and utterly impractical. Which should probably…

Post #1244 310 May 3, 2026, 22:03 UTC

Forwarded from ️I HATE THE ANTICHRIST️

💯 9

Post #1243 319 Apr 22, 2026, 20:53 UTC

https://www.youtube.com/watch?v=rYnXOYkwAdw

YouTube Build An Engine. Or Just Watch Me Do It. Whatever. Superfast Matt is supported by: SendCutSend - For 15% off Fast laser cut parts, click here: https://sendcutsend.com/superfastmatt/ Video on how to set cam timing: https://www.youtube.com/watch?v=DJ17VVO2aiA Become a Patron: https://www.patreon.com/superfastmatt…

Post #1242 325 Apr 19, 2026, 12:19 UTC

🔥 Insanely good video. No dry math, very visual.

https://www.youtube.com/watch?v=9HIy5dJE-zQ

YouTube Mystery of the Quintic Use my code, 2SWAPYT20, for a 20% discount on your first purchase of a Lovable Pro plan before December 26! Click here to automatically apply the discount at checkout: https://lovable.link/2swapyt Check out the interactive polynomial solutions demo here:…

Post #1241 364 Mar 21, 2026, 08:29 UTC

Всем хороших выходных! 😑

😨 3
😭 2

Post #1240 288 Mar 20, 2026, 19:17 UTC

We'll deviate today from our usual topics and post this bit of hard sci-fi art

https://www.youtube.com/watch?v=sawCJESqqeU

YouTube OPERATION POKER NIGHT: Briefing - SAD: Frontier Strike Group HYDRA is wheels-up from Europa with 60 hours to stop a hijacked NSWR-powered freighter from irradiating half of Ganymede and run away with the loot. With the DSAMs poised to intercept, a tight window, and no space for wrong moves, the PFM-001…

🤩 1

Post #1239 294 Mar 15, 2026, 19:52 UTC

https://www.youtube.com/watch?v=TGbtzlWb-Kc

YouTube The future of wireless smart sensors Spawning out of curiosity when I came across these tiny BPW34 photodiodes that some clever people are using to harvest solar energy, I thought I would join the fun and see if it's possible to transmit data at a useful frequency. Turns out you can, with surprisingly…

✍ 1

Post #1238 311 Mar 2, 2026, 12:51 UTC

https://www.youtube.com/watch?v=-WLlLpPZI30

YouTube The Bizarre World of Aluminum Die Casting Squarespace makes websites a breeze! Head over to https://www.squarespace.com/knowart to save 10% off your first purchase of a website or domain using code KNOWART ! These videos take a LOT of time and resources to make, support on Patreon is greatly appreciated:…

Post #1237 260 Mar 1, 2026, 06:37 UTC

Forwarded from yarexor

на предложку https://www.youtube.com/watch?v=MkfHD2ShE5s

YouTube Simple Screw Counter More info: https://mitxela.com/screwcounter Support me: https://patreon.com/mitxela https://paypal.me/mitxela

Post #1236 231 Feb 27, 2026, 21:28 UTC

Forwarded from Zmall Pharma

https://youtu.be/98qiQJ8maCU

Один из моих подписчиков оценит этот ролик, который мне подарили алгоритмы ютуба.

YouTube How (NOT) to make 1.5 kg of Cesium Need PCBs, CNC machined or 3D printed parts? Check out PCBWay: https://pcbway.com/g/M58Qey In today’s video, I’ll show you how we produced over a kilogram of the most reactive metal on Earth: cesium. Join my Patreon and support my projects! Your support…

👍 1

Post #1235 278 Feb 17, 2026, 15:06 UTC

https://www.youtube.com/watch?v=8taEllwQ2iE

YouTube ROONS! A new marble computer roons is a new Kickstarter project by Whomtech (Jesse Locke). It is a marble-based Turing complete model for computation with a finger-driven gear mechanism for power, and algorithms encoded using magnetic tiles arranged in a grid. I requested and received…

Post #1234 281 Feb 14, 2026, 09:29 UTC

https://www.youtube.com/watch?v=97f0nfU5Px0

YouTube How to take a photo with scotch tape (lensless imaging - part 1) Let’s take a photo using a piece of tape. 0:00 Intro to coded apertures 1:10 The point is the point spread function 1:50 2D convolution for optical systems 2:39 Tape can have a PSF? 3:58 Raw data & convolution theorem 4:55 A basic reconstruction 6:22 Wiener…

Post #1233 254 Feb 12, 2026, 09:45 UTC

Analog electronics, audio processing, guitar effects, maths

https://www.youtube.com/watch?v=6IUbU6sCOmg

YouTube Can A Ring Modulator Sound Like a TRIODE? Math Meets Octave Fuzz! In this experiment, I push a ring modulator far beyond its usual metallic sci-fi sounds and ask a strange question: can a four-quadrant multiplier emulate the behavior of a vacuum tube triode? A ring modulator multiplies two signals together. A triode gain…

Post #1232 240 Feb 10, 2026, 09:36 UTC

https://www.youtube.com/watch?v=Qll3t8XkI_4

YouTube CHARCOAL in electron microscope This is the charcoal in electron microscope. When most of the organic material is removed, what remains is a clean carbon skeleton of the wood. Seen under a scanning electron microscope (SEM) TESCAN Vega 3 located at University of Rzeszów.

Post #1231 249 Feb 8, 2026, 12:36 UTC

https://www.youtube.com/watch?v=yYaDKdck57A

YouTube Разливка металла в магнитном поле Экспортный рекламный ролик технологии литья металла в магнитном поле. ЦентрНаучФильм

🔥 3

Post #1230 238 Feb 7, 2026, 17:31 UTC

In-depth video

https://www.youtube.com/watch?v=xFrJqQSgAo8

YouTube How Knives Actually Cut Is Weird.. How knives actually cut is NOT what you think. The science behind how a knife cuts. Best VALUE diamond sharpening stone⬇️ https://amzn.to/4bzmm2Y Review⬇️ https://youtu.be/5w25oJ67C1I (Affiliated links⬇️⬆️ See full Disclosure below) Ceramic splash and…

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About this channel

How can I read @prooptiki without a Telegram account?: TGViewer shows the public web preview Telegram publishes for Προοπτική Βάτραχου: recent posts, photos, videos and the subscriber count, with no app, login or account.
How many subscribers does Προοπτική Βάτραχου have?: Προοπτική Βάτραχου (@prooptiki) has 239 subscribers on Telegram, refreshed roughly every 30 minutes.
Does Προοπτική Βάτραχου know I viewed it here?: No. Public channel previews carry no viewer identity, and TGViewer has no accounts or tracking of what you look up.