Questions tagged [radio]
For question involving radio waves or communication by radio
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Designing ad-hoc radio relay system for people lost on alien world
I have a story set on a habitable but otherwise unpopulated alien world with a breathable atmosphere in which two opposing groups of survivors of a crash each try to seize control of an orbiting ...
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Radio, but earlier
Let start with a current history tech-levels. Suppose, a relevant scientist in a mid-tier Great Power in 1850s receives a mysterious package.
To be concrete, let's say a mid-tier Great Power is maybe ...
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How much would an alien species, given radio technology on par with ours, know about our world purely from overheard TV broadcasts/radio?
Let us play with the Aliens Steal Our Cable TV trope and assume that...
aliens living about 15 lightyears away can listen in on human radio and TV-broadcasts
their technological advancement is such ...
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How does my military communicate if satellite communications is impossible and sky wave is unreliable
On a planet that resembles Earth, long wave radio communications face some challenges. Satellite communications (SATCOM) is impossible as it is impossible for the inhabitants to send anything up into ...
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Would a radio made out of Anti matter be able to communicate with a radio made from regular matter?
I am working with some possible concepts for my world building project and had the idea for two alien civilizations. One made from regular matter and another made out of antimatter in their own solar ...
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Are there radio systems that allow people to talk simultaneously?
I'm currently writing a story set in a post apocalypse. It would be based in the current year . This story takes place from the perspective on one person who is speaking to a group of people, all in ...
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In a parallel reality, what is stopping a contemporanean nation from jamming its enemies to hell and back? [closed]
In a parallel reality, what is stopping a contemporanean (from 1940 to 2020 alike tech) nation from jamming its enemies to hell and back?
A nation finds itself at war with another nation, what is ...
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Is it possible to build a transmitter small enough to fit inside of a .45 caliber bullet?
Is it possible to build a transmitter inside of working .45 caliber bullet?
Specifications:
The bullet must be fireable from a .45 semi-automatic pistol
Transmitter must function after firing
...
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Why does a significant portion of the radio spectrum now have unworkable levels of noise?
I want to solve the age-old (decades-old) question of how to bork or severely restrict wireless (radio, WiFi, satellite, cell phones, etc.) communication (semaphore is allowed, I guess, but it's not ...
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How could humans communicate by emmiting and receiving EM waves?
So, one of the magic systems in my world involves light manipulation. This allows the user to manipulate the EM spectrum, becoming exponentially harder the farther from the light spectrum the EM is. ...
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How many habitable planets could our radio signals reach?
Taking into account signal attenuation.
If there was anyone there to hear them.
Only considering those signals already produced by us on Earth.
Assuming the technology we have right now is available ...
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What would ancient warfare look like with basic radios & railways?
What would ancient warfare look like with basic radios & railways? The other changes are easy access to steel & very basic steam engines. Everything else technology wise is the same as the ...
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What EM band would be least noticed if I started globally broadcasting white noise on it?
Suppose I created a private network of peer-to-peer cellphones and started handing phones out to people globally. Now, these phones don't have to use the common cell phone bands of the EM spectrum... ...
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Countering the threat posed by a rogue Moon-spanning AI
It is the not-too-distant future in an alternate timeline, and humanity has an implacable new enemy: a rogue AI occupies Earth's Moon, and has dedicated itself to our extermination.
I want this ...
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How would radios impact pre-modern society?
Suppose that radios (or magic with a similar effect) were available during the Medieval or Renaissance era. They're too expensive to give to every soldier or install in every town, but a knight might ...
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