Kat Eschner

 

Kat Eschner is a freelance science and culture journalist based in Toronto.

This photo shows the Berkeley 60-inch cyclotron, build in 1939. The year before, technetium-99 was discovered by Emilio Segrè and Glenn Seaborg using the facility's 37-inch cyclotron. Ernest Lawrence, the cyclotron's inventor, is standing, third from left.

Old Particle Accelerator Tech Might Be Just What the Doctor Ordered

Shortages of important supplies for nuclear medicine has researchers looking for answers on how to produce technetium-99

The original design patent for the Statue of Liberty included this image, which isn't the final picture of what it would look like, but shows how far Bartholdi's image was developed by the time he applied for the patent.

The Statue of Liberty Was Once Patented

Reading the original patent documents can help us learn more about this history of this American icon

An 1817 illustration of a draisine.

This Wooden Running Machine Was Your Fixie’s Great-Great Grandpa

The draisine was invented as a potential replacement for the horse during a shortage

A former McDonald's, now a museum in Illinois. Richard "Dick" McDonald, one of the two McDonald brothers who started the chain (and who is played by Nick Offerman in a new movie) invented both the Golden Arches and the "over 1 million sold" sign.

Nick Offerman’s Character in “The Founder” Is Based on This Real Historical Figure

Richard “Dick” McDonald’s story in the film is true — to a degree

An undated photo of video-game pioneer Roberta Williams during the early days of Sierra On-Line, the company she and her husband founded.

The Pioneer of Graphic Adventure Games Was a Woman

Mystery House was the first home computer game ever to include graphics as well as text

The phone that made the first 9-1-1 call in the U.S. is still in Haleyville, Alabama, now on display in the town's City Hall.

'9-1-1' Has Meant 'Help, Please' Since 1968

The first 911 call ever placed came from the small town of Haleyville, Alabama

Clifford the Big Red Dog has been delighting children for years. This collection was released by Scholastic in honor of the pooch's 50th birthday in 2013.

The Aww-Inspiring Origins of Clifford the Big Red Dog

Norman Bridwell, Clifford’s creator, was also a lot like his creation

One of the first teddy bears has been in the Smithsonian's collection for over a half-century.

Some of the Most Important (and Cutest) Teddy Bear Moments of the Past 114 Years

The American toy was introduced in 1903, and almost immediately made its mark

The "Little Laundress" was manufactured by a sister company to the one that invented the Erector Set.

This Sexist 1920s Toy is Part of the Reason for the Women in STEM Gap

Boys got Erector Sets. Girls got this stellar consolation prize

Esther Howland popularized and mass-produced Valentine's Day cards like this one, using lace and colorful paper.

How to Make an Authentic Civil War Valentine

Handmade Valentine cards were popularized (and commercialized) in the U.S. during the Civil War years

These grainy images, thought to have been originally published in a magazine dedicated to the paranormal, are all that remain of the "Coso artifact." The object itself hasn't been seen in decades. Clockwise from top: The "geode" in which the artifact was found, an x-ray of the interior, and a side view after the "geode" had been cut in half.

When Some 1920s Garbage Was Mistaken for an Ancient Artifact

The "Coso Artifact" was fuel for those who want to believe that the truth is out there

It was a pivotal moment in computing history when a computer beat a human at chess for the first time, but that doesn't mean chess is "solved."

Computers Are Great at Chess, But That Doesn't Mean the Game Is 'Solved'

On this day in 1996, the computer Deep Blue made history when it beat Garry Kasparov

An unidentified player takes a putt at the original "Tom Thumb Golf" built by Garnet Carter.

The Brief 1930s Craze for 'Tom Thumb Golf'

Miniature golf courses had been around before, but Garnet Carter gave it a roadside attraction spin

This is the 517th Xerox model 917 ever made, donated to the Smithsonian in 1985.

Watch the Original 1959 Ad for the First Office-Ready Xerox Machine

When the Xerox 914 entered offices, the working world changed forever

The crew of Skylab 4 in August 1973. From left to right: astronaut Gerald Carr, who commanded the mission; scientist-astronaut Edward Gibson; astronaut William Pogue.

Mutiny in Space: Why These Skylab Astronauts Never Flew Again

In 1973, it was the longest space mission — 84 days in the stars. But at some point the astronauts just got fed up

This illustration by Helen Sewell graced one of the original editions of Little House on the Prairie, published in the 1930s. That book tells of the period in the Ingalls family's lives in which they settled in Kansas on land that still belonged to Native Americans.

The Little House on the Prairie Was Built on Native American Land

Yesterday was Laura Ingalls Wilder's 150th birthday. It's time to take a critical look at her work

This engraving of the 'Titanic' sinking was made shortly after the event happened, when the world was still reeling from the massive loss of life.

The Chief Designer of the ‘Titanic’ Saved Everyone He Could as His Ship Went Down

Thomas Andrews had argued for more lifeboats on the ship, but he was rebuffed on the grounds that it would ruin the view

Although it's possible that Sandro Botticelli threw other works of his on the bonfire, the Birth of Venus thankfully survived.

A Fanatical Monk Inspired 15th-Century Italians to Burn Their Clothes, Makeup and Art

He told Florentines the apocalypse was coming, and to save themselves through self-censorship

This 1976 photograph shows a woman receiving a vaccination during the nationwide swine flu vaccination campaign.

The Long Shadow of the 1976 Swine Flu Vaccine 'Fiasco'

Some, but not all, of the hesitance to embrace vaccines can be traced back to this event more than 40 years ago

Babe Ruth's first major-league team was the Boston Red Sox, where he was a star player. When he was sold to the New York Yankees in 1919, the "Curse of the Bambino" began and the Red Sox didn't win another World Series until 2004.

Why Was Babe Ruth So Good At Hitting Home Runs?

People have been using science on the Great Bambino since the 1920s

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