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🛩️ This is so cool: A Redditor living under SFO's takeoff path built a ceiling projection that maps every plane flying over their house in real time, using ADS-B, the open radio signal aircraft broadcast on 1090 MHz. Same feed as FlightRadar24, picked up with a cheap SDR dongle... show more

International Cyber Digest

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1,967,865 görüntüleme • 5 ay önce •via X (Twitter)

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34 Yorum

International Cyber Digest profil fotoğrafı

International Cyber Digest5 ay önce

The project has been open-sourced, give it a try:

Shubh profil fotoğrafı

Shubh5 ay önce

This is the kind of thing they put in mit maker portfolio.

International Cyber Digest profil fotoğrafı

International Cyber Digest5 ay önce

It will def help you yeah.

nkemjika (Kemi) profil fotoğrafı

nkemjika (Kemi)5 ay önce

I initially thought he captured high def video and projected the video feed onto his bedroom ceiling. Great invention idea. The gutter looked like crown molding

. profil fotoğrafı

.5 ay önce

im sorry, i keep commenting on this video from diff posts but this is the coolest shit ever

aaadddmm profil fotoğrafı

aaadddmm5 ay önce

I wish I was this type of nerd/Asperger’s. I’m just good at Jeopardy!

joe profil fotoğrafı

joe5 ay önce

He was depressed and decided to make his reality happier

Monty Nicol profil fotoğrafı

Monty Nicol5 ay önce

I vibe coded something similar, not as good as this. I live in Malta so I made an app that tells me whenever a large heavy plane is flying over flight within 40 miles and even estimates where I should go to which balcony, front or back, and what direction to look to see the plane if I want Here is a screenshot of it working. An A380 is flying past! I'm going to my back balcony with FlightRadar24 and going to look at it

Robert Bye profil fotoğrafı

Robert Bye5 ay önce

When a sentence starts with ‘A Redditor’ you know it’s going to be something nerdy and awesome.

IPlayedWithFire profil fotoğrafı

IPlayedWithFire5 ay önce

I truly wish I had this version of the 'tism...

Cybernorse profil fotoğrafı

Cybernorse5 ay önce

Creative #DIY use of #ADS‑B and an #SDR dongle for real‑time flight tracking turning airport noise into an interactive ceiling projection. #Cybernorse

Friend in the West profil fotoğrafı

Friend in the West5 ay önce

@StellerexTV Let me guess… he’s single.

Andy Dufresne Inc profil fotoğrafı

Andy Dufresne Inc5 ay önce

This would be cool for about 5 min max. After that, you’re just dealing with a weirdo needs to get out of his house more.

AIRBORNE_EEvEE profil fotoğrafı

AIRBORNE_EEvEE5 ay önce

Holy shit, this is the coolest thing ever.

Abe profil fotoğrafı

Abe5 ay önce

🔥🤘

Benjamin Hopton profil fotoğrafı

Benjamin Hopton5 ay önce

That’s fucking siiiiiick

Mr. Brewer profil fotoğrafı

Mr. Brewer5 ay önce

This is kinda purposeless because all he needed to do is to look outside

Anna Nutha Thing profil fotoğrafı

Anna Nutha Thing5 ay önce

And the open door resembling a tall building in 3d adds to the impact!

mandarinoranges profil fotoğrafı

mandarinoranges5 ay önce

“international cyber digest” btw

HipsterRudolph profil fotoğrafı

HipsterRudolph5 ay önce

what a fkin nerd. lemme check that git.

Tiresias profil fotoğrafı

Tiresias5 ay önce

A $30 SDR dongle and an open radio signal turns into a real-time aviation map projected onto your ceiling - that's the kind of project that shows how accessible signals intelligence has become for personal use. The same setup people use for serious aircraft tracking and OSINT investigations can also just make your apartment look like a control tower. Are there other broadcast signals that would work for similar ambient projects, like ship AIS or satellite passes?

X 🇺🇸 profil fotoğrafı

X 🇺🇸5 ay önce

Not the same as flightradar24 unfortunately, flightradar incorporates satellite coverage allowing them to catch many more flights than ADS-B. That being said you can catch some flights that otherwise wouldn’t want to be detected using ADS-B rather than Flightradar24

Tamasik profil fotoğrafı

Tamasik5 ay önce

This is why I love Reddit.

🇪🇪 Jasiel Silva 🇧🇷 profil fotoğrafı

🇪🇪 Jasiel Silva 🇧🇷5 ay önce

Olha que massa mano @realkalebe

AlphaWire profil fotoğrafı

AlphaWire5 ay önce

This is what happens when curiosity meets a $30 SDR dongle and too many planes overhead, open source and genuinely useful!

I profil fotoğrafı

I5 ay önce

I would never leave the house.

stinky pinky 🇺🇲 profil fotoğrafı

stinky pinky 🇺🇲5 ay önce

What disappointing your family and wasting away in your room looks like.

Obanjo profil fotoğrafı

Obanjo5 ay önce

This is so cool man

Matt Piercy profil fotoğrafı

Matt Piercy5 ay önce

That is so fucking cool!

Red profil fotoğrafı

Red5 ay önce

Anyone have the tutorial?

Space Jockey profil fotoğrafı

Space Jockey5 ay önce

Damn this is fantastic

MarceLUX•♰🌹🇪🇸🇪🇺 profil fotoğrafı

MarceLUX•♰🌹🇪🇸🇪🇺5 ay önce

@Alexmp_83

hassan profil fotoğrafı

hassan5 ay önce

ufo

Gavin Belson Jr. profil fotoğrafı

Gavin Belson Jr.5 ay önce

now this is cool af

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A guy living under SFO's flight path built a ceiling projector that tracks every aircraft flying over his house in real time. A $30 radio, a projector, his software, it projects the airline, aircraft type, and destination exactly as they pass overhead. Via: u/l_am_Root01

A guy living under SFO's flight path built a ceiling projector that tracks every aircraft flying over his house in real time. A $30 radio, a projector, his software, it projects the airline, aircraft type, and destination exactly as they pass overhead. Via: u/l_am_Root01

Brian Roemmele

26,312 görüntüleme • 5 ay önce

THIS GUY LIVES UNDER SFO'S TAKEOFF PATH SO HE BUILT A CEILING PROJECTOR THAT TRACKS EVERY PLANE FLYING OVER HIS HOUSE IN REAL TIME he uses a cheap $30 radio receiver to pick up the signals that planes broadcast while flying. then projects them onto his ceiling in real time when a jet flies over his house you hear it outside and at the exact same moment a plane glides across his ceiling labeled with the airline, aircraft type, and destination pure black background so the projector's rectangle disappears and only the aircraft are visible but he didn't stop at planes it also draws the real sky behind them. sun, moon, bright stars, constellations, and live satellites including the ISS. all at their true positions for his exact location and time in real time so he's lying in bed watching the actual night sky projected onto his ceiling with real planes crossing through it as they take off from SFO there is a huge market for every man alive that runs outside to see the helicopter vibe coded the whole thing himself with a cheap radio, a projector, and some clever software

THIS GUY LIVES UNDER SFO'S TAKEOFF PATH SO HE BUILT A CEILING PROJECTOR THAT TRACKS EVERY PLANE FLYING OVER HIS HOUSE IN REAL TIME he uses a cheap $30 radio receiver to pick up the signals that planes broadcast while flying. then projects them onto his ceiling in real time when a jet flies over his house you hear it outside and at the exact same moment a plane glides across his ceiling labeled with the airline, aircraft type, and destination pure black background so the projector's rectangle disappears and only the aircraft are visible but he didn't stop at planes it also draws the real sky behind them. sun, moon, bright stars, constellations, and live satellites including the ISS. all at their true positions for his exact location and time in real time so he's lying in bed watching the actual night sky projected onto his ceiling with real planes crossing through it as they take off from SFO there is a huge market for every man alive that runs outside to see the helicopter vibe coded the whole thing himself with a cheap radio, a projector, and some clever software

Om Patel

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When maker Cameron Paczek moved into a new home directly beneath a flight path, he came up with an ingenious idea to project the planes flying overhead onto the ceiling inside using real-time flight tracking data. Now he can plane spot from the comfort of his sofa. Come fly with us ✈️

When maker Cameron Paczek moved into a new home directly beneath a flight path, he came up with an ingenious idea to project the planes flying overhead onto the ceiling inside using real-time flight tracking data. Now he can plane spot from the comfort of his sofa. Come fly with us ✈️

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someone with your exact Claude plan, is out-producing you three to one it isn't talent and it isn't a secret prompt they built the setup once, so their Claude walks in already briefed yours walks in a stranger every time, the gap is a config, not a ceiling

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$MIT FILMED THE LECTURE WHERE THEIR MOST LEGENDARY LINEAR ALGEBRA PROFESSOR EXPLAINS WHY EVERY GPS SIGNAL EVERY MEDICAL SCAN AND EVERY AI MODEL ON EARTH IS SECRETLY SOLVING A PROBLEM THAT HAS NO SOLUTION This is Gilbert Strang, MIT, 18.06 Linear Algebra, lecture 15. The professor whose textbooks sit in over 3,000 universities across 135 countries and whose course has been watched by millions of engineers and mathematicians worldwide. He opens with one claim - when equations have no solution, you do not give up. You solve the closest problem that can be solved. He starts with a vector b and a line through a. The projection of b onto that line is the point closest to b that actually lives on the line. The key is a right angle. The error - the gap between b and its projection - must be perpendicular to a. That one geometric fact produces the entire formula. The projection is a times a transpose b divided by a transpose a. One fraction. The numerator is a matrix. The denominator is a number. Then the projection matrix. Every projection is carried out by a matrix P that multiplies b and lands on the line. That matrix has two properties that define all projections everywhere. First, P transpose equals P - the matrix is symmetric. Second, P squared equals P - project twice and you stay where you are. The first projection moves you onto the line. The second leaves you there. Then higher dimensions. Instead of projecting onto a line, project onto a plane. Instead of one vector a, you have a matrix A with two columns spanning the plane. The error vector must now be perpendicular to both columns - perpendicular to the entire plane. That condition produces one matrix equation. A transpose times the error equals zero. The error lives in the null space of A transpose, which is exactly perpendicular to the column space of A. The four fundamental subspaces appear without being called. Then the formula for n dimensions. The projection matrix is A times A transpose A inverse times A transpose. Strang warns the room not to simplify it by canceling A inverse against A - A is not square, it has no inverse, and the formula cannot be pulled apart. The only case where it simplifies to the identity is when A spans the whole space and the projection is b itself. Watch the moment he applies the formula to fitting a line through three points that no line can pass through. Three equations, two unknowns, no solution. He writes the matrix, writes the right-hand side, and shows that multiplying both sides by A transpose produces an equation that always has a solution. That equation is the foundation of least squares, GPS triangulation, and every regression model trained in 2026. A data scientist I know rewatched this lecture before building a recommendation system from scratch. Said it was the first time the normal equations felt like geometry rather than a formula someone handed down to memorize. Free on YouTube, MIT OpenCourseWare, filmed over 20 years ago. bookmark this and watch later - after this lecture every unsolvable equation you meet will feel like a projection waiting to be found$

MIT FILMED THE LECTURE WHERE THEIR MOST LEGENDARY LINEAR ALGEBRA PROFESSOR EXPLAINS WHY EVERY GPS SIGNAL EVERY MEDICAL SCAN AND EVERY AI MODEL ON EARTH IS SECRETLY SOLVING A PROBLEM THAT HAS NO SOLUTION This is Gilbert Strang, MIT, 18.06 Linear Algebra, lecture 15. The professor whose textbooks sit in over 3,000 universities across 135 countries and whose course has been watched by millions of engineers and mathematicians worldwide. He opens with one claim - when equations have no solution, you do not give up. You solve the closest problem that can be solved. He starts with a vector b and a line through a. The projection of b onto that line is the point closest to b that actually lives on the line. The key is a right angle. The error - the gap between b and its projection - must be perpendicular to a. That one geometric fact produces the entire formula. The projection is a times a transpose b divided by a transpose a. One fraction. The numerator is a matrix. The denominator is a number. Then the projection matrix. Every projection is carried out by a matrix P that multiplies b and lands on the line. That matrix has two properties that define all projections everywhere. First, P transpose equals P - the matrix is symmetric. Second, P squared equals P - project twice and you stay where you are. The first projection moves you onto the line. The second leaves you there. Then higher dimensions. Instead of projecting onto a line, project onto a plane. Instead of one vector a, you have a matrix A with two columns spanning the plane. The error vector must now be perpendicular to both columns - perpendicular to the entire plane. That condition produces one matrix equation. A transpose times the error equals zero. The error lives in the null space of A transpose, which is exactly perpendicular to the column space of A. The four fundamental subspaces appear without being called. Then the formula for n dimensions. The projection matrix is A times A transpose A inverse times A transpose. Strang warns the room not to simplify it by canceling A inverse against A - A is not square, it has no inverse, and the formula cannot be pulled apart. The only case where it simplifies to the identity is when A spans the whole space and the projection is b itself. Watch the moment he applies the formula to fitting a line through three points that no line can pass through. Three equations, two unknowns, no solution. He writes the matrix, writes the right-hand side, and shows that multiplying both sides by A transpose produces an equation that always has a solution. That equation is the foundation of least squares, GPS triangulation, and every regression model trained in 2026. A data scientist I know rewatched this lecture before building a recommendation system from scratch. Said it was the first time the normal equations felt like geometry rather than a formula someone handed down to memorize. Free on YouTube, MIT OpenCourseWare, filmed over 20 years ago. bookmark this and watch later - after this lecture every unsolvable equation you meet will feel like a projection waiting to be found

Lupen

24,677 görüntüleme • 3 ay önce