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Nikola Tesla

Physicist Nikola Tesla Paid an Overdue Hotel Bill with a Box Containing a Working Model of His Death Beam. He Warned Employees Never to Open It.

Nikola Tesla, a Serbian physicist, engineer, and inventor, was penniless and living in a small New York City hotel room at the end of his brilliant and tortured life. But did you know how he got around to paying his overdue bill? Nikola Tesla, a physicist, once paid an overdue hotel bill with a box […]

Physicist Nikola Tesla Paid an Overdue Hotel Bill with a Box Containing a Working Model of His Death Beam. He Warned Employees Never to Open It. Read More »

Williamina Fleming

In the 1880s, the Harvard Observatory Director was Frustrated with His Staff and Said His Scottish Maid Could Do Better. He Then Hired His Maid, Williamina Fleming, Who Ran a Team for Decades.

Williamina Paton Stevens Fleming contributed to developing a standard star designation system and cataloged thousands of stars and other astronomical phenomena. Fleming is best known for discovering the Horsehead Nebula in 1888. But do you know how Williamina Fleming was hired? In the 1880s, the director of the Harvard Observatory was dissatisfied with his staff

In the 1880s, the Harvard Observatory Director was Frustrated with His Staff and Said His Scottish Maid Could Do Better. He Then Hired His Maid, Williamina Fleming, Who Ran a Team for Decades. Read More »

The Big Bang

The Big Bang was Not Actually an Explosion that Happened in the Center of the Universe. In Fact, There is No Such Thing as the Center of the Universe. The Big Bang Happened and Has Been Happening Everywhere All at Once.

Georges Lemaître, an astronomer, had a big idea in 1927. He claimed that the universe began as a single point long ago. He claimed that the universe stretched and expanded to become as large as it is now and could continue to stretch. But do you know what the Big Bang actually is? The Big

The Big Bang was Not Actually an Explosion that Happened in the Center of the Universe. In Fact, There is No Such Thing as the Center of the Universe. The Big Bang Happened and Has Been Happening Everywhere All at Once. Read More »

Planet Mercury

Mercury Sometimes Has a Double Sunrise Due to its Slow Rotation Around its Own Axis and its Uneven Orbital Path Around the Sun.

Mercury’s highly eccentric egg-shaped orbit is as close to the Sun as 29 million miles and as far as 43 million miles. It travels around the Sun every 88 days at nearly 29 miles per second, faster than any other planet. But did you know that this created double sunrises? Due to Mercury’s slow rotation

Mercury Sometimes Has a Double Sunrise Due to its Slow Rotation Around its Own Axis and its Uneven Orbital Path Around the Sun. Read More »

Milky Way

How Long Does it Take for One Galactic Year to Pass?

A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter that is gravitationally bound. The phrase comes from the Greek word galaxias, which means milky’ and refers to the Milky Way galaxy, which houses the Solar System. Galaxies range in size from dwarfs to giants, each orbiting their galaxy’s center

How Long Does it Take for One Galactic Year to Pass? Read More »

Katherine-Johnson

Who Verified the Computation of John Glenn’s Orbit Around Earth?

John Herschel Glenn Jr. was an American aviator in the United States Marine Corps before joining NASA to become one of the first men in space. Glenn was also the first man to go around the earth, but did you ever wonder who verified the computation of that particular mission? When NASA employed electronic computers

Who Verified the Computation of John Glenn’s Orbit Around Earth? Read More »