Vanish Instantly with the Instant Vanishing Device
Smokescreens are a staple of fiction, but things are different in real world. Smoke-generating devices are real, but they’re mostly for signaling or creating general environmental obscurement. Caleb Rash wanted something more like what we’ve seen ninjas and Batman use in movies: a small device that creates a thick cloud of smoke in a small enough area to conceal a person.
The real-world use cases here are pretty limited — there isn't much value in hiding within a small cloud of smoke. However, this is much more cinematic and visually interesting than what exists in real life. But because this isn’t a normal strategy, there wasn’t a lot of literature available and Rash had to experiment to achieve his goal.
That experimentation centered around a custom-built smoke chamber, with a sensor system to quantify “smokiness” results from different combustibles. It has a red LED and a light sensor monitored...
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