11 “Modern” Inventions That Were Actually Used in Ancient Times

We often think of technology as modern, but many inventions we use today actually have roots in ancient times. Some tools and ideas were so advanced that they wouldn’t feel out of place in today’s world. These forgotten creations prove our ancestors were far more inventive than we give them credit for.

  • Tricia Quitales
  • 3 min read
11 “Modern” Inventions That Were Actually Used in Ancient Times
KoolShooters on Pexels

Many of the gadgets and systems we rely on today seem like recent breakthroughs, but ancient civilizations were already thinking ahead. From automatic doors to early versions of computers, they built surprising things with the tools they had. Their creativity and engineering shaped the future more than we realize. Take a look at 11 “modern” inventions that were already being used thousands of years ago.

1. Automatic Doors

Louis Comfort Tiffany / Tiffany Studios on Wikimedia Louis Comfort Tiffany / Tiffany Studios on Wikimedia

In ancient Alexandria, inventor Heron created temple doors that opened using steam pressure. When worshippers lit a fire, the heat moved a system of weights and pulleys. It was a clever mix of science and showmanship.

2. Concrete

 Matteo Mazza on Pexels Matteo Mazza on Pexels

The Romans used a version of concrete that still holds strong today. Their mix included volcanic ash, which made it incredibly durable. Many Roman structures still stand because of this smart material.

3. Central Heating

Immanuel Giel on Wikimedia Immanuel Giel on Wikimedia

Over 2,000 years ago, the Romans used a heating system called the hypocaust. Hot air from a furnace traveled under floors and through walls to warm buildings. This system is surprisingly similar to today’s underfloor heating.

4. Seismograph

photographer not named at web source on Wikimedia photographer not named at web source on Wikimedia

In the year 132 AD, Chinese inventor Zhang Heng made the first earthquake detector. His device used a ball that dropped from a dragon’s mouth to show the direction of an earthquake. It couldn’t measure strength, but it showed impressive understanding.

5. Batteries

Eva Bronzini on Pexels Eva Bronzini on Pexels

The “Baghdad Battery,” found in Iraq, dates back to around 200 BC. It looks like a clay jar with metal pieces inside and may have been used to produce a small electric charge. While the purpose is debated, it shows ancient knowledge of energy.

6. Toilets and Plumbing

 tyler hendy on Pexels tyler hendy on Pexels

Ancient civilizations, such as the Indus Valley and the Romans, had running water and drainage systems. Some homes had private toilets that flushed with water. Their plumbing systems were smarter than you might expect.

7. Vending Machines

 Abdullah Ghatasheh on Pexels Abdullah Ghatasheh on Pexels

Heron of Alexandria also invented a vending machine that dispensed holy water. You’d drop in a coin, and the weight would trigger a lever to release a small amount. It worked on simple mechanics and surprised many visitors.

8. Alarm Clocks

Ekaterina Astakhova on pexels Ekaterina Astakhova on pexels

The ancient Greeks made alarm clocks powered by water. When the water reached a certain level, it triggered a sound to wake someone up. It’s a creative idea that worked long before electricity.

9. Prosthetic Limbs

Engin Akyurt on Pexels Engin Akyurt on Pexels

There is evidence that ancient Egyptians and Romans used prosthetic body parts. One of the oldest is a wooden toe found on a mummy. These early devices helped people live more normal lives.

10. Crane Machines

Hendrik Willem Van Loon on Wikimedia Hendrik Willem Van Loon on Wikimedia

Ancient Greeks used crane-like devices for building large structures. They used ropes, pulleys, and manpower to lift heavy stones into place. These machines laid the groundwork for today’s construction tools.

11. Maps and Navigation Tools

FlorinCB on Wikimedia FlorinCB on Wikimedia

Ancient sailors used tools like the astrolabe to measure stars and find their way. Detailed maps were also created by cultures like the Babylonians and Greeks. Navigation was an art long before GPS came along.

Written by: Tricia Quitales

Tricia is a recent college graduate whose true passion lies in writing—a hobby she’s cherished for years. Now a Content Writer at Illumeably, Tricia combines her love for storytelling with her fascination for personal growth. She’s all about continuous learning, taking risks, and using her words to connect with and inspire others.

Recommended for You

18 Ancient Predictions That Came Strangely True

18 Ancient Predictions That Came Strangely True

Throughout history, people have claimed to see the future, often through stars, dreams, or strange visions. While many predictions were wrong or vague, a few turned out to be shockingly accurate. These 18 ancient forecasts seemed impossible at the time but later became real events.

18 Products You Didn’t Realize Were Invented Decades Ago

18 Products You Didn’t Realize Were Invented Decades Ago

Discover the surprising history of futuristic inventions, where some of today’s most revolutionary technologies were actually made decades ago, proving that innovation often begins long before it hits the mainstream!