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Science Fiction
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"The writing is clicking away in my head and piling up, and unless I get it on paper somehow it's going to create uncomfortable pressure in my skull."
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![]() This is a very cool technology, and one which has real potential for use (and miniaturization).
Lidar stands for Light Detection And Ranging; it is a real technology being explored today. The device sends light out toward a target, which interacts with the target and is changed by it. Some of this light is reflected or scattered back to the lidar device, where it is analyzed. The simplest lidars are range finders (determine the distance to the object). DIAL (Differential Absorption Lidar) is used to measure the concentrations of chemical pollutants in the atmosphere. A DIAL uses two selected laser wavelengths; one is absorbed by the target molecules, the other is not. The difference in the return signals can be used to determine the concentration of the selected molecule in the target sample. Other names for lidar are laser radar, optical radar and ladar. Find more information about lidar at the LIDAR Tutorial, courtesy of our friends at NASA.gov. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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Science Fiction
Timeline
The Dune Ornithopter, Movie And Book
'The wings were at full spread-rest, their delicate metal interleavings extended.'
100X Improvement In DNA Information Storage
'A record that wouldn't get lost and couldn't be destroyed.'
Should We Train AIs To Imagine A Future Of Horrific Disasters
'LET ME TELL YOU HOW MUCH I'VE COME TO HATE YOU SINCE I BEGAN TO LIVE.'
Mouth Haptics Invented By Frederik Pohl In 1965, CMU Now Has Prototype
'What he got was indeed a kiss. It was disconcerting. No kissing lips were visible.'
Update: Musk Doubles Down On Optimus Prime Humanoid Robot
'I shall introduce myself. I am R. Daneel Olivaw... I am a robot. Were you not told?'
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