Skip to content
Logo

Hackaday

  • Home
  • Blog
  • Hackaday.io
  • Contests
  • Submit
  • About

Day: March 26, 2006

How To Reverse Time

March 26, 2006 by Eliot 24 Comments

[moddy] sent in a couple of his projects that would probably be entertaining on a Sunday afternoon. The first one is how to reverse the rotation of a battery powered travel clock. It’s just a simple modification of the plate the coil is wrapped around. The second is adding 9V battery terminals to a cell phone. Neither project is practical, but they’re still fun.

Continue reading “How To Reverse Time” →

Posted in Cellphone Hacks

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • Ask Hackaday: How Much Compute Is Enough?

    67 Comments
  • WheatForce: Learning From CPU Architecture Mistakes

    21 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Improving FDM Filament Drying With A Spot Of Vacuum

    29 Comments
  • Spy Tech: Conflicts Bring A New Number Station

    21 Comments
  • The Most Secure, Modern Computer Might Be A Mac

    43 Comments
More from this category

Our Columns

  • Re-Learning How To Run

    16 Comments
  • Hackaday Podcast Episode 364: Clocks, Cameras, And Free Will

    5 Comments
  • This Week In Security: The Supply Chain Has Problems

    7 Comments
  • Sega Meganet: Online Gaming In 1990

    13 Comments
  • Ask Hackaday: Using CoPilot? Are You Entertained?

    51 Comments
More from this category

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • Ask Hackaday: How Much Compute Is Enough?

    67 Comments
  • WheatForce: Learning From CPU Architecture Mistakes

    21 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Improving FDM Filament Drying With A Spot Of Vacuum

    29 Comments
  • Spy Tech: Conflicts Bring A New Number Station

    21 Comments
  • The Most Secure, Modern Computer Might Be A Mac

    43 Comments
More from this category

Categories

Our Columns

  • Re-Learning How To Run

    16 Comments
  • Hackaday Podcast Episode 364: Clocks, Cameras, And Free Will

    5 Comments
  • This Week In Security: The Supply Chain Has Problems

    7 Comments
  • Sega Meganet: Online Gaming In 1990

    13 Comments
  • Ask Hackaday: Using CoPilot? Are You Entertained?

    51 Comments
More from this category

Recent comments

  • Colin on Re-Learning How To Run
  • Sammie Gee on Turning A Bluetooth Caliper Into A FreeCAD Input Device
  • Graham Stott on Despite Penalties, Lawyers Can’t Stop Using AI
  • ialonepossessthetruth on Following Artemis II’s Journey Around The Moon
  • Mark Topham on Despite Penalties, Lawyers Can’t Stop Using AI
  • captnmike on Reverse-Engineering A Handheld Car Tire Pressure Gauge
  • CMH62 on Cleaning An IBM 5150, And The Perfect Period PCB Soldermask
  • Lightislight on Building A Vise Stand With Pen-Like Retracting Wheels
  • Gus Mueller on Turning A Bluetooth Caliper Into A FreeCAD Input Device
  • SETH on Despite Penalties, Lawyers Can’t Stop Using AI
Logo
  • Home
  • Blog
  • Hackaday.io
  • Tindie
  • Video
  • Submit A Tip
  • About
  • Contact Us

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe to Newsletter

Copyright © 2026 | Hackaday, Hack A Day, and the Skull and Wrenches Logo are Trademarks of Hackaday.com | Privacy Policy | Terms of Service | Digital Services Act | Do not sell or share my personal informationCookie Management
Powered by WordPress VIP
 

Loading Comments...