VARSHA RAO
Joined May 2024
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Liquid Nitrogen
Liquid Nitrogen Liquid nitrogen can help detectives retrieve fingerprints from duct tape. A liquid nitrogen gun can separate the tape layers. Research shows it gets clearer prints than other methods. Applying liquid nitrogen varies in effectiveness. Dunking the tape in liquid nitrogen neutralizes the adhesive. But the tape can become brittle. Using a cotton swab soaked in liquid nitrogen is another option.
By VARSHA RAO17 days ago in Education