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| SCP-4153 |
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Item #: SCP-4153
Object Class: Safe
Special Containment Procedures: SCP-4153 should be contained in a 5 by 10 inch metal soundproof case and kept in storage area 14 on Site-77. Turning on SCP-4153 is prohibited except for research. All future experiments have been discontinued by order of Site-Director ███████ .
Description: SCP-4153 is a vintage Seth Thomas Metronome designed to provide from 40 to 208 beats per minute. Subjects are able to activate a beat of choice from the metronome. After it is activated, the subject's entire bodily functions, such as heart rate and muscle movements, start to involuntarily imitate the beat until SCP-4153 is turned off. These body imitations can happen through only seeing the pendulum or hearing the ticking and testing has shown that subjects are unable to resist imitating this movement.
Discovery: SCP-4153 was discovered in █████, Belgium, on 6/19/19██. Agents were sent to investigate after multiple reports of deaths due to cardiac arrest in a music school. SCP-4153 was found still ticking and agents needed to wear soundproof headphones to contain it.
Test A - 2/14/████
Subject: D-6598
Procedure: Subject with heart rate monitor was instructed to set the metronome to 75 beats per minute.
Results: Subject start tapping their right foot and snapping fingers at 75 beats per minute. Heart rate monitor showed a heart rate of sudden shift to 75 beats per minute. Despite instructions to cease the movements, subject continued, apparently against his will. When the metronome was turned off, subject's movements immediately ceased.
Notes: D-6598 was terminated after testing.
Test B - 2/16/████
Subject: D-7394
Procedure: Subject with heart rate monitor was instructed to set the metronome to 208 beats per minute.
Results: Subject began to tap his foot at a precise 208 beats per minute. Heart rate monitor showed an increase to 208 beats per minute. Subject collapsed seconds after turning SCP-4153 on. A remote drone was used to turn the metronome off.
Notes: Cause of death: Cardiac arrest.
Test C - 2/24/████
Subject: 1 week old cadaver
Procedure: Cadaver with heart rate monitor was placed in testing room with SCP-4153. SCP-4153 was set to 90 beats per minute.
Results: Cadaver’s feet began twitching and monitor displayed 90 beats per minute heartbeat.
Notes: Autopsy showed subject was still deceased.
