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Digital cameras are technically capable of competing with 70 MM IMAX film So why does Christopher Nolan still shoot on an ancient format?

Digital cameras are technically capable of competing with 70 MM IMAX film So why does Christopher Nolan still shoot on an ancient format?

151,025 Aufrufe • vor 7 Tagen

People are switching to wired headphones because they think bluetooth cooks your brain. But are the RF waves transmitted from AirPods really dangerous or is it just an internet myth?

People are switching to wired headphones because they think bluetooth cooks your brain. But are the RF waves transmitted from AirPods really dangerous or is it just an internet myth?

396,097 Aufrufe • vor 2 Monaten

How does Netflix know when you try to take a screenshot? Turns out it doesn’t. Rather than a simple piece of software recognizing a screenshot attempt and blacking out the screen, what’s going on is actually happening at the hardware level.

How does Netflix know when you try to take a screenshot? Turns out it doesn’t. Rather than a simple piece of software recognizing a screenshot attempt and blacking out the screen, what’s going on is actually happening at the hardware level.

487,411 Aufrufe • vor 2 Monaten

Foreign routers are banned in U.S. But did you know you can build your own? It’s called a homebrew router and not only is it pretty easy but you get way more control over it.

Foreign routers are banned in U.S. But did you know you can build your own? It’s called a homebrew router and not only is it pretty easy but you get way more control over it.

179,773 Aufrufe • vor 3 Monaten

USB C cables all look the same, so how does your computer know the difference between them? Turns out there’s a tiny chip inside most USB C cables that identifies its capabilities. Someone made an open source app that uses that chip to list out the info so you never have to confuse cables again.

USB C cables all look the same, so how does your computer know the difference between them? Turns out there’s a tiny chip inside most USB C cables that identifies its capabilities. Someone made an open source app that uses that chip to list out the info so you never have to confuse cables again.

72,418 Aufrufe • vor 1 Monat

We heard computers run more efficiently submerged in oil, so we tested it with a raspberry pi.

We heard computers run more efficiently submerged in oil, so we tested it with a raspberry pi.

35,756 Aufrufe • vor 26 Tagen

Wifi signals can be used to see your body through walls. Using open source software and some cheap hardware, you can measure the disturbances in wifi waves emanating from a router. Those disturbances are measured and converted into body shapes to tell you where someone is in a room.

Wifi signals can be used to see your body through walls. Using open source software and some cheap hardware, you can measure the disturbances in wifi waves emanating from a router. Those disturbances are measured and converted into body shapes to tell you where someone is in a room.

97,843 Aufrufe • vor 3 Monaten

You can text someone hundreds of miles away with no cell service, no wifi, and no servers in between. All it takes is a cheap radio board and open source software like Meshtastic. Meshtastic turns the board into a node in an encrypted mesh, capable of receiving and relaying information across vast distances.

You can text someone hundreds of miles away with no cell service, no wifi, and no servers in between. All it takes is a cheap radio board and open source software like Meshtastic. Meshtastic turns the board into a node in an encrypted mesh, capable of receiving and relaying information across vast distances.

77,212 Aufrufe • vor 2 Monaten

Siri doesn’t listen to words, it listens for frequencies. In order to stop millions of Apple devices from activating during a keynote, Apple cut those frequencies from the live audio. We put that audio into a spectrogram in order to visualize the alteration.

Siri doesn’t listen to words, it listens for frequencies. In order to stop millions of Apple devices from activating during a keynote, Apple cut those frequencies from the live audio. We put that audio into a spectrogram in order to visualize the alteration.

29,262 Aufrufe • vor 29 Tagen

Why are some HDMI cables insanely expensive? Turns out there is a distinct difference between a $20 cable from Walmart and a fiber optic HDMI. Rather than using copper wiring, fiber optic cables convert video signals into light pulses which improves quality and signal at long distances.

Why are some HDMI cables insanely expensive? Turns out there is a distinct difference between a $20 cable from Walmart and a fiber optic HDMI. Rather than using copper wiring, fiber optic cables convert video signals into light pulses which improves quality and signal at long distances.

69,689 Aufrufe • vor 3 Monaten

Every time you print from a color printer, hundreds of yellow dots are embedded into the page. Everything you’ve ever printed can be traced right back to the printer with metadata. Is this surveillance or a useful tool for law enforcement?

Every time you print from a color printer, hundreds of yellow dots are embedded into the page. Everything you’ve ever printed can be traced right back to the printer with metadata. Is this surveillance or a useful tool for law enforcement?

34,257 Aufrufe • vor 1 Monat

Your fiber optic cables can technically hear you through walls. Using the deformations in fiber cables caused by sound waves, researchers engineered a way to rebuild and record speech. The setup requires complex equipment and direct access though, so it’s unlikely to be used for surveillance.

Your fiber optic cables can technically hear you through walls. Using the deformations in fiber cables caused by sound waves, researchers engineered a way to rebuild and record speech. The setup requires complex equipment and direct access though, so it’s unlikely to be used for surveillance.

27,356 Aufrufe • vor 1 Monat

Your iPhone is also a color calibration tool for your TV. Using the Face ID sensors it reads the light emitting from your TV to figure out how far off the colors are. All you need is an Apple TV box and it’ll correct the HDMI signal in real time regardless of your TV settings.

Your iPhone is also a color calibration tool for your TV. Using the Face ID sensors it reads the light emitting from your TV to figure out how far off the colors are. All you need is an Apple TV box and it’ll correct the HDMI signal in real time regardless of your TV settings.

26,783 Aufrufe • vor 2 Monaten

Ads don’t come attached to websites, they are loaded from a different server. So there’s a way to stop them from ever loading onto your network. Using a raspberry pi and some free software, you can stop ads from getting into your home. It’s called a pi hole and it acts as a catch between your home internet and the servers that place ads on websites.

Ads don’t come attached to websites, they are loaded from a different server. So there’s a way to stop them from ever loading onto your network. Using a raspberry pi and some free software, you can stop ads from getting into your home. It’s called a pi hole and it acts as a catch between your home internet and the servers that place ads on websites.

15,805 Aufrufe • vor 1 Monat

The classic cheesy green screen problem may finally be solved. For ages hair has been a major issue for keying software because of mixed pixels that blur the color values of tiny hairs and green screen. But with the release of Corridor’s new open source AI software, bad green screen may finally be a thing of the past.

The classic cheesy green screen problem may finally be solved. For ages hair has been a major issue for keying software because of mixed pixels that blur the color values of tiny hairs and green screen. But with the release of Corridor’s new open source AI software, bad green screen may finally be a thing of the past.

17,804 Aufrufe • vor 2 Monaten

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