The Egyptian pyramids of Giza are some of the most impressive manmade structures in the history of our planet. It’s estimated that they were built over 4,500 years ago with over two million stones over a period of 20 to 30 years ...

The Golden Gate Bridge is one of the most internationally recognized symbols of California. Initially designed by engineer Joseph Baermann Strauss in 1917, the Golden Gate Bridge links San Francisco and Marin County and spans the Golden Gate Strait, which separates San Francisco Bay from the Pacific Ocean ...

Although not widely known, a small number of women have achieved impressive engineering accomplishments that have changed the way the world lives, works, and plays ...

Try ordering a 113.3981-grammer burger at your local McDonald’s or Burger King. And then don’t be surprised when they don’t understand your order! That’s because the United States has not yet fully adopted the metric system. As a result, most U.S. citizens are not familiar with it ...

Have you ever wondered why blueprints are called blueprints?  The answer is surprisingly simple. The first blueprint was developed in 1842 by John Herschel, an American chemist, astronomer and photographer ...

The Leaning Tower of Pisa has experienced many phases of construction and attempted remedies throughout its history. Its construction began in 1173 AD, and by the end of this initial phase, a tilt was already noticeable ...