1

Duct tape

Image: Lucas van Oort

One of the most useful things to have around is, without a doubt, duct tape. This product can help fix an endless number of everyday problems in virtually any environment.

This adhesive tape was invented during World War II by a division of Johnson & Johnson called Revolite. It was initially used to seal ammunition cases because of its water-resistant properties.

2

GPS

Image: henry perks

The GPS technology we all use daily on our smartphones to navigate from point A to point B was originally developed by the U.S. military. It was designed to track the position of military units and help them find their way efficiently across any terrain —much like how we use it today for civilian purposes.

3

Internet

Image: Glenn Carstens-Peters

Few technologies have become such a big part of our lives in just a couple of decades as the Internet. Its origins trace back to the 1970s, when the Defense Advanced Research Projects Agency (DARPA) created an interconnected network linking military centers to enable resource sharing.

The connection of commercial networks and enterprises by the early 1990s, along with the advent of the World Wide Web, marked the beginning of the transition to the modern Internet.

4

Walkie-talkie

Image: garrett parker

From children’s toys to invaluable communication devices used in critical situations, walkie-talkies are a common fixture in modern life. Their development during World War II has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski, and engineering teams at Motorola.

Initially used by infantry, similar designs were created for field artillery and tank units. After the war, walkie-talkies spread to public safety and eventually commercial use.

5

Microwave oven

Image: Erik Mclean

Believe it or not, microwave cooking was accidentally discovered during a military-related project just after World War II.

In 1946, Percy Spencer, a scientist working on a magnetron at Raytheon, noticed that a peanut cluster candy bar in his pocket had melted from the magnetron’s microwave radiation. Curious to experiment further, he brought in some kernels of corn and made the first-ever microwave popcorn—leading to the invention of the microwave oven.

6

Super glue

Image: Scott Sanker

In 1942, a research chemist working for a defense contractor was developing a high-precision targeting sight for weapons. Although the project didn’t produce the expected results, the resulting product was incredibly sticky , leading to the creation of the now-famous Super Glue.

7

Aviator sunglasses

Image: Griffin Wooldridge

Aviator sunglasses were developed in the 1930s as a lighter alternative to the bulky goggles worn by pilots during the early years of aviation. Those goggles were heavy, uncomfortable to wear, and prone to fogging up mid-flight.

Colonel John Macready of the U.S. Army Air Corps helped develop the first set of aviator sunglasses, which became known as Ray-Bans—named for their purpose: banning the sun’s rays from a pilot’s eyes.

8

Packaged salad mixes

Image: Nathenia Landers

The bags of packaged salad mixes found at any local supermarket use "modified atmosphere packaging" to delay ripening and spoilage.

This technology was developed in the 1960s through a collaboration between Whirlpool Corp. and the U.S. Navy to send fresh lettuce and celery to troops in Vietnam .

9

Bug spray

Image: Wolfgang Hasselmann

The active ingredient in most insect repellents, known as DEET, was developed by the U.S. Army in 1946 for use by military personnel operating in insect-infested areas . The product’s success led to its commercial release.

10

Disposable sanitary pads

Image: Annika Gordon

During World War I, Kimberly-Clark invented Cellucotton, a wood pulp–based material designed to be more absorbent and cost-effective for use in bandages.

After the war, the company discovered that Army nurses had repurposed Cellucotton as sanitary napkins , which inspired the creation of Kotex—the first disposable sanitary pads.

11

Frozen juice concentrate

Image: Fotografía de Alimentos

In 1942, USDA scientists developed frozen concentrated orange juice during World War II to help provide soldiers with sufficient Vitamin C . Although it was never distributed to the military, the product was later introduced to consumers by Minute Maid.

12

WD-40

Image: Daniel Campbell

WD-40, now a common household product, was originally developed in 1953 to prevent rust and corrosion on the outer shell of the Atlas missile . Created by the Rocket Chemical Company, the name WD-40 stands for "water displacement," with the "40" representing the number of attempts it took to perfect the formula.

1

Miami

Image: Avi Werde

Miami’s name comes from the Mayaimi people, who lived around Lake Okeechobee. The name itself is thought to refer to the "big water" of the lake, a defining feature for the region's Indigenous inhabitants.

2

Chicago

Image: Neal Kharawala

The name "Chicago" comes from the Potawatomi word shikaakwa, meaning "wild onion" or "wild garlic." These plants were once abundant along the banks of the Chicago River, and early French explorers who heard this term adapted it into the city's name.

3

Philadelphia

Image: Chris Murray

The name "Philadelphia" comes from the Greek words philos (love) and adelphos (brother). Founded in 1682 by William Penn, the city was intended to be a haven for religious freedom and peaceful coexistence—hence its name.

4

Cincinnati

Image: Matt Koffel

Cincinnati's name comes from the Society of the Cincinnati, a patriotic organization formed in 1783 to honor officers of the Continental Army. The society itself was named after Lucius Quinctius Cincinnatus, a legendary hero of the Roman Republic.

5

California

Image: Vital Sinkevich

The name "California" comes from Las Sergas de Esplandián, a 16th-century Spanish novel by Garci Rodríguez de Montalvo. The book describes a mythical island where gold could be found in great quantities. When Spanish explorers reached the Baja Peninsula, they mistakenly believed it was an island and, inspired by the novel, named it after the fictional paradise.

6

Boise

Image: Attorney Sluice

The name "Boise" comes from the French word boisé, meaning "wooded" or "forest." French fur traders were some of the earliest European explorers in the region, and they named the Boise River after observing the thick forests that lined its banks.

7

Albuquerque

Image: Raychel Sanner

Albuquerque was named by the Spanish in the 18th century, but its origins trace back to the Latin words albus (white) and quercus (oak), referring to the white oak trees that are found in the area.

8

Mississippi River

Image: Mathew Benoit

The Mississippi River gets its name from the Ojibwe word Misi-ziibi, meaning "Great River." Certainly a fitting name, given the river’s key role in the development of American trade and transportation, a vital route for settlers and Indigenous people alike.

9

Yellowstone National Park

Image: Meina Yin

Yellowstone National Park takes its name from the Yellowstone River, which was in turn named by fur trappers who used the word "yellow" to describe the river’s striking sandstone cliffs . Established in 1872, Yellowstone became the first national park in the U.S., preserving its unique geological and natural wonders.

10

Appalachian Mountains

Image: Elijah Mears

The Appalachian Mountains, among the oldest in the world, take their name from Apalachee , a term used by the Spanish to refer to a Native American tribe in northwestern Florida . Interestingly, the name was later applied to the distant mountain range, despite no direct connection between the two—perhaps they had run out of names?

11

Niagara Falls

Image: Sergey Pesterev

Niagara Falls takes its name from the nearby Niagara River, which derives from the Iroquois word Onguiaahra , meaning "the strait" or "narrow water." Unsurprisingly, given their breathtaking beauty, the falls have long been a significant natural landmark for both Indigenous peoples and European explorers.

12

Adirondack Mountains

Image: Ty Finck

The Adirondack Mountains in New York are believed to take their name from the Algonquin word adirondacks , meaning "they eat trees" or "bark eaters." This name likely referred to another group of Indigenous inhabitants who relied on the region’s lush forests for food and shelter.

1

Mississippi River

Image: Justin Wilkens

Beloved by blues musicians and immortalized by Mark Twain, the Mississippi has been central to exploration, trade, and American identity. The name comes from the Ojibwe/Anishinaabe word misi‑ziibi, meaning "Great River" or "Father of Waters."

Flowing some 2,320 miles, its watershed drains roughly 41% of the continental U.S., and its vast system remains critical for both commerce and agriculture.

2

Missouri River

Image: Jayden Herr

The name of the Missouri River comes from the Algonquian term ouemessourita, meaning "people with dugout canoes."

A crucial highway for early explorers like Lewis and Clark, as well as later settlers, this 2,300-mile-long river was once home to Native tribes such as the Missouria. Today, it remains a vital part of regional agriculture and river transport.

3

Hudson River

Image: Harry Gillen

Originally called Muh-he-kun-ne-tuk ("waters that are never still") by the Mohicans, the river was later renamed after Henry Hudson, who explored it in 1609 for the Dutch East India Company.

The Hudson Valley later grew into both an economic and cultural hub, inspiring the Hudson River School of painters and playing a strategic role during the American Revolution.

4

Colorado River

Image: Mike Newbry

The name Colorado comes from Spanish, meaning "reddish," a reference to the red silt once carried by the river. Before 1921, its upper course was known as the Grand River, until Congress renamed it to reflect the state of Colorado.

Over millions of years, the Colorado River carved the Grand Canyon, one of the world’s most dramatic natural landscapes. Today, it supports irrigation across seven U.S. states and northern Mexico and generates hydroelectric power through major dams such as Hoover Dam and Glen Canyon Dam.

5

Rio Grande

Image: Sara Cottle

The name Rio Grande means "Big River" in Spanish. Serving as the border between the U.S. (Texas) and Mexico, it has defined geopolitical boundaries since the end of the Mexican-American War in 1848.

Historically, the Rio Grande supported Indigenous communities such as the Pueblo and Apache peoples, and later Spanish missions and settlements. Today, it serves as a lifeline for agriculture, cities, and wildlife habitats across the arid regions of Texas, New Mexico, and northern Mexico along its 1,896-mile course.

6

Ohio River

Image: Joshua Canter

"Ohio" comes from the Seneca word ohi:yo’ , meaning "good river" or "large creek." Formed by the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, it flows for about 981 miles through six states before joining the Mississippi River.

In early America, the Ohio was a key route for westward expansion and trade. Settlements along its banks grew into important commercial and industrial centers, including cities like Cincinnati, Louisville, and Pittsburgh, and its fertile floodplains supported agriculture that fueled the growing nation.

7

Columbia River

Image: Stephen Walker

The Columbia River was named after the Columbia Rediviva , the ship captained by Robert Gray , which itself was named in honor of Christopher Columbus. For thousands of years, the river served as a vital trade network for numerous Native American tribes, and later became central to the North American fur trade.

Its fertile valleys supported settlements and agricultural development throughout the Pacific Northwest. Today, the Columbia is a major source of hydroelectric power, with major dams such as Grand Coulee and Bonneville supplying electricity to millions of people.

8

Potomac River

Image: Sara Cottle

The name "Potomac" comes from a Native Algonquian word, likely Patawomeck (probably Piscataway), meaning "river of swans." The river flows past Washington, D.C., and George Washington’s Mount Vernon estate overlooks it.

During the colonial era and the Civil War, it was a crucial transport route, and its watershed continues to hold historical, cultural, and political significance today.

9

Delaware River

Image: Clay Banks

Named after Lord De La Warr (Thomas West), an English nobleman and colonial governor, the Delaware River is best known for George Washington’s daring 1776 crossing, which surprised Hessian troops in Trenton and provided a crucial morale boost for the Continental Army during the Revolutionary War.

Over the years, the river has remained vital for trade and industry, shaping the mid-Atlantic economy and supporting major ports in New Jersey, Pennsylvania, and Delaware.

10

Susquehanna River

Image: Jennifer Wick

The name "Susquehanna" likely comes from the Lenape word siskëwahane, meaning "Muddy River" (though other translations, such as "Oyster River," have been proposed). One of the oldest river systems in North America, the Susquehanna stretches about 444 miles from New York through Pennsylvania to the Chesapeake Bay in Maryland.

It supported Indigenous communities such as the Susquehannock, and early colonial settlements relied on it for transport, fishing, and trade. Its fertile valley later powered mills, contributed to the region’s coal and lumber industries, and played a key role in shaping the development of the Mid-Atlantic.