What is time? Physicist Sean Carroll hunts for the Ultimate Theory http://www.wired.com/wiredscience/2010/02/what-is-time/
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
What is time? Physicist Sean Carroll hunts for the Ultimate Theory http://www.wired.com/wiredscience/2010/02/what-is-time/