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شلوار کوتاه ایجاد کردن
It was invented in 1945 by scientists John Mauchly and J. Presper Eckert at the University of Pennsylvania in Philadelphia.
The computer used about 18,000 vacuum tubes and filled an entire room. It weighed around 30 tons and could perform thousands of calculations per second.
Today, even a small smartphone is far more powerful than that first computer.
Like and follow for more amazing facts about technology and history!
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The first email in history was sent in 1971 by computer engineer Ray Tomlinson from the United States.
He also introduced the use of the @ symbol in email addresses, which is still used today.
What’s surprising is that Ray Tomlinson himself didn’t remember what the first email message actually said.
Today, more than 300 billion emails are sent every single day around the world.
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The first cigarette in the world started in the 16th century when Spanish soldiers rolled tobacco leaves in paper and smoked them. Tobacco originally came from the Americas where indigenous people used it for rituals and daily life. Later it spread across Europe and eventually became a global habit.
Today cigarettes are used worldwide, but their history began hundreds of years ago with a simple rolled tobacco leaf.
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