Why Is Thomas Edison Famous?

Thomas Edison Laughing. Rare.

Last Updated Tuesday, May 12, 2015 Thomas Edison (1847 – 1931, 84 years) is definitely a famous inventor during the last 150 years well known for developing the phonograph, the motion picture camera and the electric light globe. Edison amassed a record 1,093 patents for his developments, inventions and business ventures which have made him […]

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Albert Einstein’s Riddle – The Bear Solution

Albert Einstein's Bear Riddle solution is...

Last Updated Friday, March 7, 2014It is alleged that Albert Einstein taught this riddle to his students about the bear. If you haven’t seen it yet please read Albert Einstein’s Riddle – The Bear first. So here is the solution to another Einstein Riddle.

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Albert Einstein’s Riddle – The Bear

Albert Einstein Bear Riddle

Last Updated Friday, March 7, 2014Albert Einstein is alleged to have created this riddle for his astute physicist scholars. I can only find one source that claims Einstein made this puzzle. So for what it’s worth, see if you can solve this riddle.

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Touch screens are now everywhere

The Samsung Omnia smartphone uses a touch screen

Last Updated Friday, October 4, 2013As we see the use of touch screens everyday in our lives it is hard to believe that they were originally developed in the late 1960s. But it wasn’t until 1972 that we saw the first touch screen launched in a computer assisted learning terminal. Today we see them used […]

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Toshiba to start selling portable hard drives

Toshiba 200GB Portable HDD

Last Updated Friday, October 4, 2013Toshiba is going to start selling portable hard drives in addition to laptops and DVD players. The USB 2.0 external hard disk will be available in capacities ranging from 100 GB to 200 GB – the largest capacity yet available in a portable, compact form factor. The device itself is […]

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Mayan Civilization Math

Mayan numbers and math

Last Updated Friday, October 4, 2013The Mayan civilization’s mathematics were one of the most advanced of the ancient Americas. Rather than using a base 10 system as we use (1, 10, 100, 1,000, etc.) they used a base 20 system (1, 20, 400, 8,000, etc.) One of the most fascinating facts about their mathematical system […]

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Einstein’s Riddle Solution Explained

Albert Einstein "So have you worked it out yet? Who owns ze fish, ja!"

Last Updated Friday, March 7, 2014 So how did you go solving Einstein’s Riddle of the Neighbours? Are you ready for the answer? Maybe you got a great head for logic. Did you draw a table or grid to help you get the answer? Or maybe you wrote out a list of clues and rearranged […]

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Albert Einstein’s Riddle – With Solution Explained

Albert Einstein has a riddle to share

Last Updated Tuesday, May 12, 2015 According to Einstein, roughly 98% of the world’s population cannot solve this riddle. It is one that uses pure logic – no fancy math is required. 1. In a street there are five houses, painted five different colours. 2. In each house lives a person of different nationality 3. […]

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Why Is Albert Einstein Famous?

Albert Einstein on bike

Last Updated Tuesday, May 12, 2015 “Life is like riding a bicycle. To keep your balance, you must keep moving.” — Albert Einstein in a letter to his son Eduard, 1930 Albert Einstein (1879 – 1955) is acclaimed as one of the greatest and smartest scientists of all time. Einstein is famous for a number […]

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Inventions of Ancient Greece – The Catapult

Palintonon stone throwing Greek catapult

Last Updated Friday, October 4, 2013The Greek catapult was developed by Dionysius the Elder of Syracuse around 350 BC.  Dionysius actually called the machine Katapaltai, and they are mentioned in the Siegecraft (Poliorkētika) treatise of Aeneas Tacticus.  Originally, because of their large bulk and problems with portability, they were used mainly in seige warfare.  Alexander […]

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