Latest By
Category:


Armor
Artificial Intelligence
Biology
Clothing
Communication
Computers
Culture
Data Storage
Displays
Engineering
Entertainment
Food
Input Devices
Lifestyle
Living Space
Manufacturing
Material
Media
Medical
Miscellaneous
Robotics
Security
Space Tech
Spacecraft
Surveillance
Transportation
Travel
Vehicle
Virtual Person
Warfare
Weapon
Work

"I think we're still on that topic, still trying to figure out what computers are, how they change us, why we use them."
- Neal Stephenson

Time Capsule  
  A hollow block of metal, impervious to the elements, used by time travelers to send messages to the future.  

Most time capsules were tossed in the ocean, apparently, then recovered (on the average) about 100,000 years later. They were then kept in the "Post Office" for as many centuries as were necessary.

We use the Fed to house the vault somebody nicknamed the "Post Office" many years ago, no doubt because the vault is clogged with packages that are not delivered for years or centuries.

The Post Office is one of those weird side-effects of time travel. It proves once more that paradoxes are possible, though only strictly limited ones. ..

A time capsule is a block of very tough metal about the size of a brick. ..On the outside of the brick is a name and a date: "For __________. Do not open until _________."

…Under no circumstances has one ever been opened before its time. .. Time travel is so dangerous it makes H-bombs seem like perfectly safe gifts for children and imbeciles.

From Millenium, by John Varley.
Published by Berkley Books in 1983
Additional resources -

The danger arises from the paradoxes of time travel; too many alterations in the past can disrupt the present; the timestream is described in this novel as being somewhat flexible, but not very. For example, if you went back in time, and took a can from a stack in the grocery store back to the future, there would be little disruption, despite the fact that a change was made. If you went back to the past and saved JFK, on the other hand, you would change everything.

Comment/Join this discussion ( 2 ) | RSS/XML | Blog This |

Additional resources:
  More Ideas and Technology from Millenium
  More Ideas and Technology by John Varley
  Tech news articles related to Millenium
  Tech news articles related to works by John Varley

Articles related to Communication
Hurdl PIXL Wearable Helps Fans Connect With Stars
Advertising Drones Hover Over Traffic In Mexico
Audiobooks - Fastest Growing Format In Publishing
Douglas Adams Your Babel Fish Is Ready - The Pilot By Waverly

Want to Contribute an Item? It's easy:
Get the name of the item, a quote, the book's name and the author's name, and Add it here.

<Previous
Next>

Google
  Web TechNovelgy.com   

 

 

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

More News

Cattle Avoidance Feature In Indian Autonomous Cars
'The driver went about the business of gently slipping the teflon-coated metal scoop beneath the first animal...'

Project KOVR Fashion Protection From Infosphere
'... the entire shroudlike membrane took on whatever physical characteristics were projected at any nanosecond.'

Twist Bioscience High Density Digital Data On DNA
'They tied the memory to the bloodline and that was their record!'

'We're Not Creating A Terminator' Say Russians About Gun-Wielding Robot Fedor
Nobody is thinking about the Terminator. Westworld, maybe.

Vantablack Now IMMEASURABLY Black
'a black coating now that’s ninety-nine percent absorptive...'

Mercedes-Benz Autonomous Taxi Fleet In 3 Years
'... the taxi utilized sophisticated electronic sensors to perceive its surroundings.'

Is 'The Pulsar Positioning System' Evidence For SETI?
'For a hyperspace jump, you need at least four beacons for an accurate fix.'

Someday, You Might Like VR Enough To Move In
'That barrier was going to melt away someday soon. The transhumanists had promised...'

Humans Use Mental Power For Turtle Slavery
Now we need to start looking for animals with fingers...

Solar-Powered Moisture Vaporator
'The atmosphere yielded its moisture with reluctance.'

More SF in the News

More Beyond Technovelgy

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.