'The Wizard of Oz' wasn't the first film to use Technicolor

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

Judy Garland's body double wore a sepia dress in the movie's most famous scene

A famous scene from "The Wizard of Oz" features Dorothy leaving behind her home in Kansas and walking into Oz. The filmmakers wanted the character to exit a colorless world and enter a Technicolor one, though the nascent technology required more than some clever postproduction tricks. The scene was painted sepia, as was Judy Garland's body double's dress. As she walks through the door, into Oz, the camera turns away. Then, Judy Garland strides back into frame, wearing her iconic blue dress.

The 1939 ‘Wizard of Oz’ reimagined Baum’s book for a new age

Technological breakthroughs brought high-quality, synchronized sound to films by the end of the 1920s. By the 1930s, the movie-musical, a genre that blended artful cinematography and Broadway-style musicals, became more popular. “The Wizard of Oz” evolved the form further by structuring the plot into episodes anchored by memorable, revelatory songs.

The 1925 ‘Wizard of Oz’ predates the classic 1939 film

The film differs significantly from the 1900 book and the later 1939 film adaptation: Dorothy is 18 years old, the Tin Woodman is a villain, and the entire story of Oz is framed by a toy-maker reading the original Baum book to his granddaughter.

'The Wonderful Wizard of Oz' was the first major American fantasy novel

Baum blended elements of Hans Christian Andersen, the Brothers Grimm, and Lewis Carroll, placing them in an American context. The illustrations of William Wallace Denslow brought the fantastical elements to life, as seen below. The book was an instant smash hit, selling out its initial 10,000-book pressing within the first eight months. By the time it entered the public domain in 1956, it had sold 3 million copies.

'The Wizard of Oz' flopped in theaters but exploded on TV

The film cost $2.7M to make—$1M more than the average production in 1939, but didn’t recoup it for almost two decades. Its success is mainly due to television. It aired annually from 1956 to 1965 and was watched by more than 49% of all television viewers.

'The Wizard of Oz' was panned by some contemporary critics

A 1939 New Yorker review by Russel Maloney said the movie displayed ''no trace of imagination, good taste, or ingenuity.'' The New Republic's Otis Ferguson wrote, "It has dwarfs, music, Technicolor, freak characters, and Judy Garland. It can't be expected to have a sense of humor as well."

The 1939 film changed Dorothy's slippers from silver to ruby

Baum’s original book listed the slippers as silver, but the filmmakers wanted the shoes to pop on film—and highlight their use of Technicolor—so they turned them ruby. The slippers wound up becoming one of the movie’s most iconic elements.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

A theory about Pink Floyd and 'The Wizard of Oz' was popularized by a 19-year-old

Pink Floyd’s seminal album “Dark Side of the Moon” eerily synchronizes with “The Wizard of Oz,” offering a psychedelic soundtrack for the movie. Journalist Charlie Savage popularized the phenomenon when he was 19. He’d go on to write for the Boston Globe and New York Times winning a Pulitzer Prize.

Watch Walt Disney's early innovative film, 'Alice's Wonderland'

This 1923 short, "Alice's Wonderland," was the first volume in what would come to be known as the "Alice Comedies." It features a young girl who ventures into Disney's animated world—a technique that might seem quaint now but was groundbreaking in the silent film era.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

George Méliès' 'The Haunted Castle' is considered the first horror film

The 1896 film short uses a series of camera tricks to depict supernatural experiences, including a bird turning into a man and a woman being summoned from a smoking cauldron. Its subject matter and surprising visuals have led scholars to call it the first horror film.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

William Eggleston was one of the first non-commercial photographers working in color

When he began exhibiting his work in the '70s, most color photography was limited to advertising. Eggleston's "democratic" stills of working-class Americana were filled weith vibrant color and would go on to influence generations of photographers and filmmakers.

'Tin Toy,' the predecessor to 'Toy Story,' was the first fully computer-generated film to win an Academy Award

Before it was acquired by Disney, Pixar was a small studio exploring the possibilities of computer animation. "Tin Toy," a 1988 short film that would inspire 1995's "Toy Story," was one of its most successful experiments, earning Pixar's first Academy Award for best animated short film and becoming the first fully computer-generated film to win an Oscar. Although you won't find Woody or Buzz, it's fascinating to observe the seeds for what would come later.

Modern media exposure may impact whether people dream in color or black and white

A 1942 study found that 70.7% of college sophomores rarely saw colors in their dreams, while a similar survey in 2003 showed that only 20% reported the same. The prevalence of color television and films may make color dreams or the recollection of color features easier to remember.

Why so many cartoons are yellow

"The Simpsons" creator Matt Groening said he found the skin tones of cartoon characters to be "freakish" and wanted his show to stand apart from everything else on television. His colorist proposed making them yellow, which color theory suggests would make the characters pop off the screen.

See original photos of King Tut's tomb in updated color

The 1922 discovery of King Tutankhamen’s tomb in Egypt revealed new secrets about the civilization to a fascinated world, and the Metropolitan Museum of Art's Harry Burton captured the discovery in 2,800 black-and-white glass negatives. Nearly a century later, a selection of the images were colorized by experts .

Disneyland opened in 1955

Walt Disney teased the amusement park a year in advance through his ABC show, "Walt Disney's Disneyland." This episode was from the park's opening day, an event that necessitated a news-like live broadcast and walked viewers through the park's attractions and amenities. One in three Americans watched the broadcast, despite its numerous technical difficulties.

Wood that changed the color of water was the earliest recorded example of fluorescence

Lignum nephriticum, a tea used to treat kidney and urinary illnesses, was described in the 16th century as derived from white wood that turned water a bluish hue. However, in the 17th century, accounts described the wood as reddish and creating a kaleidoscope of colors in water. In 1915, the sources were identified as two different woods, which absorb UV radiation and emit visible light.

Widespread use of LSD sparked a counter-cultural artistic movement in the 1960s

The trippy visuals often associated with LSD flourished in the 1960s as the drug became more widespread. Psychedelic design, defined by its undulating text and graphics, ultimately grew beyond just visuals, spawning psychedelia, a term that includes art, music, and cultural experiences based on psychedelic experiences.

A Thomas Moran painting inspired Yellowstone National Park

The 1872 painting provided viewers with a more accurate sense of the park's majesty than black-and-white photographs could provide. The painting was included in a packet of materials presented to Congress, which was taken with Moran's image and designated Yellowstone the first national park.

'Livery Stable Blues' was the first jazz recording and helped popularize the genre

The 1917 song by the Original Dixieland Jass Band was the first jazz recording to be issued and put the New Orleans sound on the national stage, along with inspiring several soundalikes.

Was WWI really the first world war?

Was World War I the first true international conflict? This article thoroughly explores the meaning of the term world war. It also suggests a few previous conflicts, some of which involved battles in the Americas as well as Europe, that might have been more accurately described as a "world wars."

Red and green became Christmas colors thanks to holly—and Coca-Cola

Holly's green leaves and bright red berries linked the colors to winter festivals for centuries, but Coca-Cola's 1931 Santa—painted by Haddon Sundblom in Coke-red robes—helped cement red and green as the modern Christmas palette.

Twain didn’t start wearing his iconic white suit until later in life

The writer first wore the white suit in 1906, at the Library of Congress. “I have reached the age where dark clothes have a depressing effect on me,” Twain told the Washington Post. “I prefer light clothing, colors, like those worn by the ladies at the opera.”

Dorothea Lange's photos of US concentration camps were censored

Lange, who took some of the most iconic photos of the 20th century, was hired by the United States government in 1942 to document the "relocation" of Japanese-Americans into concentration camps. When military commanders saw her work, however, they censored it, even suggesting some of the images should be "Impounded."

'Bonnie and Clyde,' the 1967 film starring Warren Beatty and Faye Dunaway, was the first major American movie to feature graphic violence.

Director Arthur Penn used the then-new Squibb technology, which triggered realistic and bloody bullet wounds, to portray graphic violence, at the time a taboo in American cinema.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

See the most iconic photos from four decades of LIFE magazine

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Quincy Jones' 'Big Band Bossa Nova' helped introduce bossa nova—a jazz-influenced Brazilian genre—to the US

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Coral reefs get their colors from zooxanthellae—microorganisms that line corals' digestive tracts and provide them with sugars in exchange for a home within this protective tissue.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.