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If people wanted to get really serious you could use a cell phone jammer and have students pass through a mini EMP at the door.
by pianopatrick 4mo ago
If people wanted to get really serious you could use a cell phone jammer and have students pass through a mini EMP at the door.
- account42 4mo agoThat's like preventing crime by locking everyone up. Much easier is to just have someone with authority in the room to hand out consequences to those who break the rules.