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

  • Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition

    94 Comments
  • Hunting Submarines Via Gravity Is A Tough Errand

    58 Comments
  • Remember When Flash Drives Were Going To Make Your PC Faster?

    46 Comments
  • Magnets Are Bad For Hardware Again

    48 Comments
  • Between-Device Sharing Still Sucks

    124 Comments
More from this category

Our Columns

  • Hackaday Links: June 7, 2026

    7 Comments
  • Hackaday Podcast Episode 372: PopTubers, Shifty Semiconductors, And Shelving Shelf Labels

    2 Comments
  • This Week In Security: Messing With AI, 7Zip And Notepad++ Vulnerabilities, HTTP2 Bomb, And More

    13 Comments
  • Linux Fu: Fake Webcams, GUI Edition

    6 Comments
  • Jenny’s Daily Drivers: Microsoft Windows 11

    70 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

  • Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition

    94 Comments
  • Hunting Submarines Via Gravity Is A Tough Errand

    58 Comments
  • Remember When Flash Drives Were Going To Make Your PC Faster?

    46 Comments
  • Magnets Are Bad For Hardware Again

    48 Comments
  • Between-Device Sharing Still Sucks

    124 Comments
More from this category

Categories

Our Columns

  • Hackaday Links: June 7, 2026

    7 Comments
  • Hackaday Podcast Episode 372: PopTubers, Shifty Semiconductors, And Shelving Shelf Labels

    2 Comments
  • This Week In Security: Messing With AI, 7Zip And Notepad++ Vulnerabilities, HTTP2 Bomb, And More

    13 Comments
  • Linux Fu: Fake Webcams, GUI Edition

    6 Comments
  • Jenny’s Daily Drivers: Microsoft Windows 11

    70 Comments
More from this category

Recent comments

  • Mike on How The 2020s Chip Crisis Led To A Buggy Saleae Analyzer In 2026
  • smellsofbikes on How The 2020s Chip Crisis Led To A Buggy Saleae Analyzer In 2026
  • douyarou on Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
  • douyarou on Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
  • Sammie Gee on Questions Remain About Tense Moment Aboard ISS
  • douyarou on Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
  • douyarou on Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
  • douyarou on Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
  • Alan Sailer on Questions Remain About Tense Moment Aboard ISS
  • Paul on Optimizing Pancakes From Chemical Principles
Logo
  • Home
  • Blog
  • Hackaday.io
  • 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...