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Happy birthday, “E = mc²!”
by Mary - September 27, 2006 - 12:01 AM

Einstein_decorated.jpg101 years ago today, Albert Einstein published the paper “Does the Inertia of a Body Depend Upon Its Energy Content?” in Annalen der Physik, forever imprinting into the minds of physics buffs (and mental_floss readers) the relationship between energy and mass when the speed of light is constant.

Also, um, happy birthday to Cosimo de Medici, Sam Adams, Thomas Nast, Meat Loaf, Shaun Cassidy, Gwyneth Paltrow, Lil Wayne, and me.

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Comments (4)

  1. hey, happy birthday to you!

    insane that we have 3 mental_floss b-days in a row: Kara’s, Melanie’s and then yours… in any case, here’s hoping you’re not spending the entire day blogging.

    posted by Mangesh on 9-27-2006 at 12:39 am

  2. Oh, you’re kidding! Happy belated birthday to Kara and Melanie as well!

    posted by Mary on 9-27-2006 at 8:35 am

  3. My Bday also! (and Wilford Brimley’s)

    posted by Bo on 9-27-2006 at 9:15 am

  4. Also, it’s Google’s 8th Birthday.

    posted by Alison on 9-27-2006 at 9:53 pm

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