|
Science Fiction
Dictionary Latest By
"I suspect that religion is a necessary evil in the childhood of our particular species. And that's one of the interesting things about contact with other intelligences: we could see what role, if any, religion plays in their development."
|
Robert Heinlein did not invent the term "hush-a-phone" - but he did expand on the original device with futuristic attachments.
The original Hush-a-Phone was first manufactured and sold in 1921. It was a very simple device that provided privacy, avoided annoying other people and helped you hear better. It had versions for pedestal phones as well as those new-fangled handsets. It was a very simple device that just slipped onto the phone; it had no moving parts or electrical components.
Heinlein, however, has added some improvements. The rubber mask improves noise suppression; the bone-conduction receiver means that none of the other person's part of the conversation ever goes out in the open air.
Read more at Antique Phone Accessories and The Hush-a-Phone Case. Comment/Join this discussion ( 2 ) | RSS/XML | Blog This | Additional
resources: Hush-a-Phone-related
news articles:
Want to Contribute an
Item?
It's easy:
|
Science Fiction
Timeline
Rigid Metallic Clothing From Science Fiction To You
'...support the interior human structure against Jupiter’s pull.'
Roborock Saros Z70 Is A Robot Vacuum With An Arm
'Anything larger than a BB shot it picked up and placed in a tray...'
A Beautiful Visualization Of Compact Food
'The German chemists have discovered how to supply the needed elements in compact, undiluted form...'
Bone-Building Drug Evenity Approved
'Compounds devised by the biochemists for the rapid building of bone...'
Secret Kill Switch Found In Yutong Buses
'The car faltered as the external command came to brake...'
Inmotion Electric Unicycle In Combat
'It is about the size and shape of a kitchen stool, gyro-stabilized...'
Congress Considers Automatic Emergency Braking, One Hundred Years Too Late
'The greatest problem of all was the elimination of the human element of braking together with its inevitable time lag.'
|
|||||||||||||||||||||||
| Home | Glossary
| Science Fiction Timeline | Category | New | Contact
Us | FAQ | Advertise | Technovelgy.com - where science meets fiction™ Copyright© Technovelgy LLC; all rights reserved. |
||