SID

Scientific Investigation Division (SID) is responsible for the collection, comparison and interpretation of physical evidence found at crime scenes or collected from suspects and victims.

SID analyzes various types of evidence that may connect a suspect to a crime, associate particular items to a specific source or determine the circumstances surrounding an event.

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CODIS

Combined DNA Index System (CODIS) is the generic term used to describe the FBI’s program of support for criminal justice DNA databases as well as the software used to run these databases.

In forensics television series, the investigators often match DNA with the CODIS database to identify criminals.

DARPA

The Defense Advanced Research Projects Agency (DARPA) is an agency of the United States Department of Defense responsible for the development of new technologies for use by the military.

The DARPA Grand Challenge is a prize competition for American autonomous vehicles, funded by the Defense Advanced Research Projects Agency, the most prominent research organization of the United States Department of Defense. Congress has authorized DARPA to award cash prizes to further DARPA's mission to sponsor revolutionary, high-payoff research that bridges the gap between fundamental discoveries and military use.

EVA

Extra-Vehicular Activity. Extra-vehicular activity (EVA) is any activity done by an astronaut or cosmonaut outside a spacecraft beyond the Earth's atmosphere. The astronaut needs to wear a spacesuit.

EVA applies to a spacewalk made outside a craft orbiting Earth, but also has applied to lunar surface exploration (commonly known as moonwalks).

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Chip

Someone who has a chip on his shoulder is angry all the time. They feel that they have been wronged by the world, so they are always ready for a fight. They are easily offended because they feel that they have been treated unfairly by others, or perhaps they feel inferior. They expect trouble, so they are always ready for it.

It can also mean that the person has a grievance about something. Something bad has happened to him, and he might believe it was someone else’s fault. This kind of person is constantly angry about it that it affects his behaviour. In the person’s mind, he is showing how tough he is.

You can also use have got. You can also add adjectives to describe the size of the chip.

"To Have a Chip on One's Shoulder" - Examples:
I can’t stand working with Bill; he’s got such a massive chip on his shoulder. He’s so unpleasant.
…Keira Knightley has admitted that forsaking university in favour of a film career has left her with a “chip on her shoulder” over her lack of education. . . . She now battles to prove to herself – and those around her – that she has brains.
Excerpt from The Telegraph - U.K.
Success never made that chip on his shoulder go away.
Excerpt about Roger Ailes, Fox News Chief, from The New York Times
James “Sawyer” Ford - a character on the TV show LOST- started as the classic rogue with a shady past who parades around with a constant chip on his shoulder.
Excerpt from IGN.com

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