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"In my mind I have gone all over the universe, which may make it less important for me to make piddling little trips... I did enjoy seeing Stonehenge. It looked exactly the way I thought it would look."
- Isaac Asimov
 |
| Decibel Alarms | ||
| Alarms that would go off if the noise in public gathering places was rising to riotous levels. |
This item not only predicts recent developments in surveillance technology by thirty years (see related links below), but also provides some instruction on how to evade this technology as well. That's full-service futurism.
| Decibel alarms were legally required in every meeting hall, including churches, but clever agitators could and had sabotaged them so that the suppressant gases were not released when the "noise" level reached the sharp pitch of incipient riot. The professional agitators had also learned how to modulate their voices below the danger level, carefully goading their victims into the spontaneous combustion which neither gas nor water jets could control. |
| From A Bridle for Pegasus,
by Anne McCaffrey. Published by Analog in 1973 Additional resources -
|
Thanks to Erika for sending in this item.
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Additional
resources:
More Ideas
and Technology from A Bridle for Pegasus
More Ideas
and Technology by Anne McCaffrey
Tech news articles related to A Bridle for Pegasus
Tech news articles related to works by Anne McCaffrey
Decibel Alarms-related
news articles:
- Detect Aggressive Voices With Sigard By Sound Intelligence
- 'Agression Detectors' Don't Work When Spying On Students
| Jet-Powered Flying Suits Tested By Navy |
| Pub Installs Electrified Fence Around Bar |
| Armano Remote Control Excavator |
| Metalenses Now Reconfigurable With Liquid Crystal |
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