The ‘grandfather paradox’ of time travel has been puzzling philosophers, quantum physicists and novelists for years. Now there’s an answer as Cathal O’Connell reports.

Steampunked Time Traveling Machine: Hi everybody it took a long time of about some weeks to build this new project but now I am proud to present the "Steampunked time traveling machine" to you. Since I was a young boy I am fascinated of the idea to create a time-machine l…

A physicist at the University of British Columbia created a model that reveals, mathematically, time travel is possible – but we don't have the right materials to build a machine.

Explore frans16611's 2405 photos on Flickr!

Doctor who background

A collection of time travel machines.

SCIENCE PARTY IDEAS - Decorations and activities. Great ideas from a science based VBS (Vacation bible school) that you can use for your kid's mad scientist theme birthday party. Great activity with the best slime and a rocket launcher. 3 great backdrops to DIY with paper. by Press Print Party! #scienceparty #science #boybirthday #boyparty #birthdayparty #diyparty #pressprintparty

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Este tiempo ha terminado, de hecho está terminado. No habrá más facturas que pagar, no más preocupaciones acerca de cómo alimentar a sus familias, educarlos, o sobrevivir durante su jubilación. Su …

Great old clocks are fun collectibles and can be found at garage and tag sales, flea markets, antique stores and almost every city across the world..... for new years decor?