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STEPHEN HAWKING: How to build a time machine | Mail Online

STEPHEN HAWKING: How to build a time machine | Mail Online

By STEPHEN HAWKING Created 7:47 PM on 27th April 2010 All you need is a wormhole, the Large Hadron Collider or a rocket that goes really, really fast 'Through the wormhole, the scientist can see himself as he was one minute ago.
Cell Size and Scale Some cells are visible to the unaided eye The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an ameoba proteus, a human egg, and a paramecium without using magnification. A magnifying glass can help you to see them more clearly, but they will still look tiny.

Cell Size and Scale

people.htm from lhup.edu

people.htm from lhup.edu

Perpetual Futility A short history of the search for perpetual motion. by Donald E. Simanek Popular histories too often present perpetual motion machines as "freaks and curiosities" of engineering without telling us just how they were understood at the time.
Tesla: Master of Lightning
NOVA | The Elegant Universe: Pt 1

NOVA | The Elegant Universe: Pt 1

The Elegant Universe: Part 3 PBS Airdate: November 4, 2003 NARRATOR: Now, on NOVA, take a thrill ride into a world stranger than science fiction, where you play the game by breaking some rules, where a new view of the universe pushes you beyond the limits of your wildest imagination.
Physical Quantities
Caleb Charland is a Maine-based photographer who combines a love of scientific experiments and photographs into wonderful and amazing photographs. If Isaac Newton or Benjamin Franklin were into photography, their photographs might look something like these: “Wooden Box with Horseshoe Magnet” Scientific Curiosity Captured in Photos

Scientific Curiosity Captured in Photos

Heavy Boots - StumbleUpon

Heavy Boots - StumbleUpon Editorial note: I received this as an email from a friend who got it from a friend who ... I do not know who the original author is, but I do believe this to be true. Who could possibly make it up? Heavy Boots About 6-7 years ago, I was in a philosophy class at the University of Wisconsin, Madison (good science/engineering school) and the teaching assistant was explaining Descartes. He was trying to show how things don't always happen the way we think they will and explained that, while a pen always falls when you drop it on Earth, it would just float away if you let go of it on the Moon. My jaw dropped a little.
Non-Newtonian Fluid on a Speaker Cone
How to turn "water" into marbles
Rubens Tube