1

The light bulb

Image: Zach Lucero

Delivering electricity to the masses was one of the greatest technological advances in human history. The mid-1800s saw great competition in this area, as inventors around the world raced to invent their own electric light. The first filament bulb was developed by British inventor Warren de la Rue in 1840, but his use of a platinum filament made it expensive and impractical.

A few years later, Joseph Swan in the UK and Thomas Edison in the US each independently invented bulbs using cheaper elements. However, Edison received a patent on his bulb in early 1880, slightly before Swan. The light bulb, an invention that quickly reached every home, revolutionized life around the world, led to the development of the electrical grid, and set the stage for our modern electricity-dependent society.

2

The telephone

Image: viarami

In this modern era of emails and text messages, it can be hard to appreciate that the telephone was once revolutionary. The telegraph, the phone’s predecessor, only transmitted brief written messages. The telephone, however, allowed people to speak with one another in real time over long distances.

Inventor, scientist, and engineer Alexander Graham Bell invented the electric telephone in 1876. Although Bell was Scottish-born and also lived in Canada, he patented his invention in the US . The telephone was a game-changing technology that improved business efficiency, enabled instant global connections, and allowed emergencies to be reported as they occurred. It effectively made the world more connected and faster-paced.

3

The fire escape

Image: Lewis J Goetz

When we think of US inventions, the first things that come to mind are usually the light bulb or the telephone. But did you know that the modern fire escape was also a US innovation? Designed in 1887, this simple yet life-saving invention changed building safety forever.

In the late 1800s, fires were devastating cities across America. One woman, Anna Connelly, saw this horror up close and decided to do something about it. She designed an external iron staircase system, and in 1887, she patented it. At a time when women couldn’t even vote, Anna’s invention became a safety standard in most major cities, saving thousands of lives. Today her name is barely known, but next time you see a fire escape, remember the woman who made them possible.

4

The cash register

Image: Di Du

The first mechanical cash register for calculating and recording sales transactions was invented by saloonkeeper James Ritty following the American Civil War. He was looking for a way to stop cashiers from stealing, and finally patented his novel invention in 1879.

When a transaction was completed, Ritty's Incorruptible Cashier made a bell sound, and the amount was displayed on a large dial on the front of the machine. During each sale, a paper tape was hole-punched so the vendor could keep track of sales. Pretty ingenious, don’t you think?

5

Interchangeable parts

Image: gayulo

Standardized interchangeable parts for machines are now a staple of modern manufacturing, but it’s not a new idea. There’s evidence that thousands of years ago, ancient Carthage used them to build warships, and ancient China applied the idea to crossbows. Many centuries later, French experimentation with interchangeable musket parts inspired Thomas Jefferson.

In 1798, President George Washington and his Congress finally agreed to Jefferson’s idea of implementing the technology in America. They awarded a contract to Eli Whitney—the inventor of the cotton gin—to supply the government with 20,000 muskets. Whitney recognized the potential of developing firearms with identical parts and mechanisms. His advancements in interchangeable parts laid the foundation for modern manufacturing, enabling improved quality control, reduced costs, and faster production of goods.

6

The assembly line

Image: Public domain, via Wikimedia Commons

For most of human history, manufactured goods were custom-made. Every model of a machine, piece of clothing, or tool was unique. The development of interchangeable parts was a huge advancement, but automobile manufacturer Ransom Olds took it a step further with the assembly line in 1901. By standardizing and automating many aspects of manufacturing, uniform goods could be created faster and at lower costs.

Olds’ vehicle, the Oldsmobile Curved Dash, became the first mass-produced car . His method was later adopted and perfected by Henry Ford, whose moving assembly line for the Model T in 1913 revolutionized manufacturing. Today, the assembly line combines human labor and automation to produce nearly every mass-market product on Earth. Many experts agree it was one of the most significant technological developments of the 20th century.

7

The airplane

Image: Wright Brothers, Public domain, via Wikimedia Commons

People have always observed birds and insects and dreamed of flying. The Greeks told the story of Icarus and Daedalus, who crafted wings of wax and feathers; Leonardo da Vinci sketched and theorized flying machines, but it wasn’t until 1903 that the airplane became a reality in Kitty Hawk, North Carolina.

Wilbur and Orville Wright experimented with aeronautics for several years before achieving their successful first flight. A few years later, airplanes were first used in warfare. Within seven decades, their technology evolved and took us to the Moon. Today, the airplane is an indispensable technology that allows us to transport goods and people around the world in no time.

8

GPS

Image: Stanislav Kondratiev

It’s hard to imagine life without GPS—but do you know how it began? When the Soviet Union launched Sputnik in 1957, American physicists realized they could track the satellite’s radio transmissions using the Doppler effect.

Soon after, the U.S. military began testing and launching the Navstar Global Positioning System satellites. In 1983, President Ronald Reagan approved GPS for civilian use, and by the start of the 21st century, GPS devices were widely available in vehicles and mobile phones . Today, GPS is an essential technology for business, travel, and military operations.

9

Personal computers

Image: Unidentified U.S. Army photographer, Public domain, via Wikimedia Commons

The first electronic general-purpose computer, ENIAC, was built in 1946 at the University of Pennsylvania. It occupied 1,800 square feet of floor space and weighed 30 tons. At the time, imagining a consumer-grade computer small enough to fit in every home would have seemed impossible. Yet, just one generation later, the impossible became reality.

Over the years, computers became smaller, cheaper, and more powerful than the ENIAC’s creators could have imagined. In 1971, John Blankenbaker developed the first PC, the Kenbak-1. Fifty years later, it is clear that personal computing has fundamentally shaped the modern world.

10

The internet

Image: Lorenzo Herrera

Revolutionary technologies such as the wheel, the internal combustion engine, the telephone, and the airplane have forever changed the way we travel and communicate. The internet is no exception; it gives people access to the entirety of human existence with just a few clicks.

In 1969, computer scientists at the Advanced Research Projects Agency (ARPA) created the first network connecting labs at UCLA and Stanford. Over time, their network expanded, connecting anyone with a device. Since then, the internet has revolutionized the way human beings access resources and share information.

11

E-mail

Image: Brett Jordan

After the personal computer and the Internet, we only needed to invent a modern method of sending messages and letters to each other. The Advanced Research Projects Agency Network, known as ARPANET, sent the first email in 1971. Within five years, the majority of exchanges within the ARPANET community were via email.

With the introduction of attachments in the early 1990s, electronic mail became the fastest and easiest way to send information from point to point. By the start of the 21st century, email enabled people around the world to communicate quickly and inexpensively, and the technology quickly became one of the primary tools for global communications.

12

Magnetic resonance imaging

Image: MART PRODUCTION

The impact of the MRI machine on medicine is invaluable. The principles behind nuclear magnetic resonance (NMR) have been known since at least the end of World War II. Yet, two researchers in the late 1960s and early 1970s recognized the potential of this technology to revolutionize medicine forever.

American chemist Paul Lauterbur and physician Raymond Damadian separately experimented with NMR in scanning for cancer cells. After publishing the promising results of their experiments, a patent was filed. By 1977, the first full-body scanner was developed. Since then, millions of lives have been saved by the MRI machine. For his contributions, Lauterbur was awarded the Nobel Prize in Physiology or Medicine in 2003.

1

Alaska has more coastline than the rest of the U.S. combined

Alaska’s size is already impressive: it’s the largest state in the country by far, over twice the size of Texas (the second largest state by area). But what surprises many people is just how much coastline it has.

With over 33,900 miles of shoreline, including islands, Alaska has more coastline than all the other U.S. states combined. Its rugged shores stretch along the Arctic Ocean, the Pacific Ocean, and the Bering Sea.

2

Arizona is home to one of the best-preserved meteor craters

Arizona’s desert landscape holds one of the most famous impact sites on Earth: Meteor Crater. This massive depression, measuring about 3,900 feet across and more than 500 feet deep, was formed around 50,000 years ago when a large iron meteorite struck the ground with unimaginable force. It’s so well preserved that scientists have used it to study planetary impacts for decades.

3

California has the tallest, largest, and oldest trees

California is home to some incredible tree-based records. On the northern coast, redwoods grow routinely over 300 feet, and represent the tallest tree species on Earth. In addition, giant sequoias hold the record for the largest trees by volume, and bristlecone pines in eastern California are among the oldest living trees on the planet, some reaching more than 4,800 years of age.

4

Colorado contains the highest paved road in North America

Colorado’s mountainous terrain makes it a paradise for scenic drives, but one road stands above all the rest. Literally.

The Mount Blue Sky Scenic Byway climbs to over 14,000 feet above sea level, making it the highest paved road in North America. It visits Echo Lake Park, the Mount Goliath Natural Area, the Dos Chappell Nature Center, and Summit Lake Park, and culminates in the highest peak of the region, Mount Blue Sky (formerly known as Mount Evans). A fee is charged to travel State Highway 5 to the summit, and vehicles over 30 feet long are not allowed for safety reasons.

5

Florida is the only state that borders both the Atlantic and the Gulf

Florida’s location gives it a special geographic distinction. It is the only U.S. state that borders both the Atlantic Ocean and the Gulf of America, known globally as the Gulf of Mexico.

This unique positioning helps explain why Florida has so many beaches, marine ecosystems, and one of the longest coastlines in the country, second only to the aforementioned Alaska.

6

Hawaii grows coffee commercially

Coffee production in the United States is rare, but Hawaii, sitting in the Pacific Ocean about 2,000 miles southwest of the U.S. mainland, is one of the few places where it happens on a large scale. The state’s volcanic soil and tropical climate make perfect conditions for growing coffee, especially the famous Kona coffee grown on the slopes of volcanoes on the Big Island.

7

Kansas is flatter than a pancake

Kansas has long been joked about as being extremely flat. But, in 2003, researchers from the geography departments of Texas State University and Arizona State University took the matter to the lab. They worked to mathematically determine if Kansas is actually flatter than a standard pancake purchased from IHOP.

The researchers concluded that, mathematically speaking, Kansas is actually flatter than a pancake when measured over large distances. The study became famous for both its humor and its unusual approach.

8

Louisiana has parishes instead of counties

48 of the states divide their local governments into counties. Alaska uses the term boroughs. Louisiana, however, is divided into parishes . The reason lies with the state's early history with the Roman Catholic Church.

A parish , in many Christian denominations, is a territory under the care and jurisdiction of a priest. Before the Louisiana Purchase in 1803, the region had been under both French and Spanish influence, both Catholic countries. When the state of Louisiana joined the Union in 1812, it had already inherited an organized system of administrative units derived from those used by the Catholic church. Eventually, when a new state constitution was ratified in 1845, local tradition won, and the name parish stuck.

9

Nevada is the most mountainous state

When people think of Nevada, they often picture either endless deserts or the chaotic energy of Las Vegas, with its world-famous hotels and casinos. But Nevada is a very large state (the 7th largest overall), and its 110,572 square miles are filled with mountains.

Nevada contains more mountain ranges than any other state in the country, over 300 of them, thanks to the geological stretching of the Basin and Range region. These mountain ranges create isolated valleys that serve as refuges for endemic species.

10

Oregon has a lake inside a volcano

Oregon is home to Crater Lake, one of the many stunning natural sights in the US. It formed inside the collapsed caldera of an ancient volcano called Mount Mazama. No river flows in or out of the lake; the system stays stable because evaporation is compensated by rain and snowfall.

Crater Lake is the deepest lake in America, reaching depths of nearly 2,000 feet, and its intense blue and water clarity solidify it as one of the country's most sought-after tourist destinations.

1

Circle the wagons

Image: Dana Davis

Pioneer wagon trains literally circled their wagons at night for protection.

Creating a closed ring helped shield families, livestock, and supplies from raids, wild animals, and harsh weather—and the formation later evolved into a metaphor for any type of unified, defensive action.

2

Hold your horses

Image: Cemrecan Yurtman

Frontier riders needed to keep horses steady at all times, but particularly in chaotic and potentially dangerous settings like stage stops and river crossings.

By the mid-1800s, the phrase became a common command, later evolving into a figurative call for patience.

3

On the warpath

Image: Andrew James

This term originated as an English rendering of a Native American expression for wartime mobilization—specifically the route or course taken toward an impending conflict.

Euro-American settlers later adopted the phrase, and by the late 19th, century newspapers were using it metaphorically to describe anyone behaving aggressively or angrily.

4

Branding iron

Image: Jonny Gios

Ever wonder where the term "brand name" comes from? Frontier ranchers used heated irons to mark ownership on their cattle.

The idea of a distinctive identifying mark later moved into the commercial world, where "brand name" came to signify a recognizable product or company identity.

5

Come hell or high water

Image: Furkan Elveren

Ranchers driving cattle across rough terrain used this phrase to signal determination despite floods, storms, conflict, and whatever else the wild frontier could throw at them.

The earliest known printed use appears in an 1882 issue of The Burlington Weekly Hawk Eye, an Iowa newspaper. Railroads later adopted it in contracts requiring delivery despite natural obstacles.

6

Riding shotgun

Image: Paul Einerhand

In Wyatt Earp’s era, the seat beside a stagecoach driver was reserved for an armed guard carrying a shotgun to deter bandits.

By the early 20th century, the job had vanished, but the expression endured as a casual claim for the front passenger seat.

7

Belly up to the bar

Image: Vidar Nordli-Mathisen

Saloon bars on the frontier often lacked stools, so patrons had to stand and lean their bellies directly against the counter.

The phrase soon came to mean approaching something boldly, whether at a bar or any other challenge.

8

Kick the bucket

Image: Lucas van Oort

Rural butchers often suspended animals from a beam called a "bucket," and they sometimes kicked during slaughter.

The phrase was popular on farms and frontier towns, eventually becoming a euphemism for dying.

9

Dead ringer

Image: Annie Spratt

Frontier horse racers engaged in plenty of shady practices—and one of the most common was substituting a horse with a look-alike, a "ringer," to scam bets.

When the substitute was an exceptionally close match, it was called a "dead ringer," emphasizing its perfect likeness.

10

High noon

Image: CHUTTERSNAP

Before standardized clocks or reliable rail schedules, "high noon" was an easy way to tell time by noting the sun at its highest point.

It also became associated with showdowns and other events because midday offered the clearest visibility.