“Real-time,” Interplanetary Chat

While recording a podcast with the guys at DecipherSciFi about the twee(n) love story The Space Between Us, we spent some time kvetching about how silly it was that many of the scenes involved Gardner, on Mars, in a real-time text chat with a girl named Tulsa, on Earth. It’s partly bothersome because throughout the rest of the the movie, the story tries for a Mohs sci-fi hardness of, like, 1.5, somewhere between Real Life and Speculative Science, so it can’t really excuse itself through the Applied Phlebotinum that, say, Star Wars might use. The rest of the film feels like it’s trying to have believable science, but during these scenes it just whistles, looks the other way, and hopes you don’t notice that the two lovebirds are breaking the laws of physics as they swap flirt emoji.

Hopefully unnecessary science brief: Mars and Earth are far away from each other. Even if the communications transmissions are sent at light speed between them, it takes much longer than the 1 second of response time required to feel “instant.” How much longer? It depends. The planets orbit the sun at different speeds, so aren’t a constant distance apart. At their closest, it takes light 3 minutes to travel between Mars and Earth, and at their farthest—while not being blocked by the sun—it takes about 21 minutes. A round-trip is double that. So nothing akin to real-time chat is going to happen.

But I’m a designer, a sci-fi apologist, and a fairly talented backworlder. I want to make it work. And perhaps because of my recent dive into narrow AI, I began to realize that, well, in a way, maybe it could. It just requires rethinking what’s happening in the chat. Continue reading

Phone System Analysis

Note to readers: The author and editor of this series of posts would like to be Matrix-style cool, competent, stylishly-dressed world-changers with superhuman abilities. In reality we are much closer to the protagonists of Johnny Mnemonic: always frantically improvising to stay one step ahead of disaster with a mix of clunky technology. (And we don’t even have a cybernetic dolphin helping out.) So, um, yeah. This post is out of order. Sorry. Please pretend you haven’t read Cyberspace: the Hardware yet. OK. On to an analysis of the phone system.

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The video phones in Johnny Mnemonic all seem easy to use and reliable, but this is generally true of all phones in film and TV, video or otherwise. The audience want to see the characters communicate, not struggle with technology – unless difficulty or failure is necessary for the plot! Continue reading

The SandPhone

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Not everyone is comfortable giving over to the flimsy promise of Carrousel [sic]. Some citizens run, and Sandmen find and terminate these cultural heretics.

Sandmen carry a device with them that has many different uses. It goes unnamed in the movie, so let’s just call it the SandPhone. It is a thick black rectangle about 20cm at its long edge, about the size of a very large cell phone. Near the earpiece on one broad side is a small screen for displaying text and images. Below that is a white line. The lower half of this face is metallic grill that covers a microphone. On the left edge is a momentary button that allows talking. Just above this is a small red button. When not in use, the device is holstered on the sandman’s belt.

The SandPhone lets the Sandman receive information through a display that can show both image and text. The Sandman sends back information and requests by voice in a CB radio metaphor.

Notifications

Continue reading