Why letters on the keyboard are arranged that way 9/14/2015 • chrissy
We all got accustomed to the way the keys with letters are arranged on the keyboard. But do you have any idea why? The reason was rather practical: it was done in such a way so that a typewriter shouldn't get locked.
The first typewriters had characters on the end of special bars. When a key was pressed, a bar would swing up and hit a tape coated with ink. When the character struck the tape, the impression of the character was transferred onto the paper. Sometimes two bars could jam, especially when the keys pressed one after another were located close. This made the process of typing slow and ineffective.
The American inventor of the typewriter Christopher Latham Sholes experimented with over 50 different ways of keys arrangement until he finally stopped at the famous QWERTY version which guaranteed much lower frequency of possible jams.
Later when these devices were improved, the problem of jams was eliminated and thus there was no need in such a keyboard anymore. However, computer keyboard inherited this type of arrangement and we still use it because the introduction of a new keyboard would demand retraining of all people who are good at touch-typing.
The greatest genius of his epoch, Albert Einstein is still famous as one of the most talented scientists of all time. He had a remarkable life, full of amazing events and things besides his famous theory of relativity. Today we want to share the most interesting facts about the most recognizable theoretical physicist in history with you.
You won't believe these ridiculous things are helpful but we bet they really work. See yourself!
Do you believe in miracles? The characters of this short didn't until the moment they met. Watch how a simple day becomes a turning point and changes both characters' lives forever.
Where do superstitions come from? 3/21/2017 • Darrell Goolsby
We bet you know at least several superstitions but do you really know why people believe in them? Watch the video and find out!
Ourselves in the past seem to us inexperienced and helpless. Sometimes we want to go back and give ourselves good advice. In this amazing video people from 7 to 93 years old send messages to their past selves. Watch one of the most touching video "How to age gracefully".