25 Fun Facts About Helium That will Will Surprise You

flying hot air balloons

25 Fun Facts About Helium That will Will Surprise You

  1. Helium is used to cool powerful lasers.
  2. It helps create the colorful glow of laser light shows.
  3. Helium is used in leak detection for airtight systems.
  4. It is found in some natural gas deposits.
  5. Helium can help clean sensitive rocket components.
  6. It is used to create a protective shield in arc welding.
  7. Helium plays a role in making fiber optic cables.
  8. It helps calibrate sensitive scientific instruments.
  1. Some party balloons are filled with a helium and air mix.
  2. Helium is non-flammable, making it safer than hydrogen.
  3. The pitch change from helium is temporary.
  4. Pure helium is non-toxic.
  5. Helium is extracted from natural gas through a fractional distillation process.
  6. The US has the world’s largest helium reserve.
  7. It’s a key component for some advanced 3D printers.

Table of Contents

1. Helium is the second most abundant element in the universe.

It may be a surprise, but this gas we associate with balloons is incredibly common throughout the cosmos. Helium is a key component of stars, where it forms through nuclear fusion processes, and it contributes significantly to the universe’s overall composition.

This abundance underscores helium’s significance in the grand tapestry of the universe, and it’s one of the most interesting helium facts!

2. Helium has the lowest boiling point of all elements.

Helium holds the unique distinction of having the lowest boiling point of any known element. This means it remains a gas even at extremely low temperatures, a property that makes it invaluable for applications requiring very cold conditions, like cryogenics.

Its incredibly low boiling point makes helium a fascinating substance with unique properties.

3. Your voice gets higher when you inhale helium.

Ever wondered why inhaling helium makes your voice sound funny? This change occurs because sound travels faster through lighter gases like helium than it does through regular air, temporarily altering the pitch of your voice.

It’s a fun and harmless experiment demonstrating the physics of sound, and one of the classic fun facts about helium!

4. Liquid helium can exhibit superfluidity.

Liquid helium defies physics with superfluidity. 💧

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When cooled to near absolute zero, helium transforms into a remarkable state known as a superfluid. In this form, liquid helium loses all viscosity and can exhibit bizarre behaviors like flowing without friction and even climbing container walls!

Superfluidity is a testament to the strange and wonderful phenomena that occur at extremely low temperatures.

5. Where is helium found?

Helium is primarily found underground, often trapped within natural gas deposits deep beneath the Earth’s surface. It can also be found in trace amounts in the atmosphere.

6. Helium was first discovered on the sun before Earth.

In a fascinating bit of history, astronomers detected helium by analyzing the spectral lines of sunlight in 1868. It wasn’t until later that traces of this element were finally identified here on Earth.

This discovery highlights how studying the cosmos can reveal secrets about our own planet.

7. Breathing helium is only safe in small amounts.

While inhaling a bit of helium for a voice-changing effect is generally harmless, breathing it in excess can be dangerous. Helium displaces oxygen, so prolonged inhalation can lead to oxygen deprivation.

If you’re curious about the helium voice effect, it’s best to take just a small breath and always prioritize safety.

8. The name “helium” comes from the Greek word for the sun.

Sunlight With White Clouds
“Helium” derives from Greek, meaning sun. ☀️

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Helium’s name reflects its discovery – “helios” is the Greek word for the sun! Astronomers studying the sun’s light first found evidence of this element, leading to its celestial name.

Its name serves as a reminder of helium’s fascinating origins.

9. We might face a helium shortage in the future.

While helium is plentiful in the universe, accessible sources on Earth are more limited. Some scientists express concern that our current usage of helium could outstrip supply, potentially leading to a future shortage of this valuable resource.

This highlights the importance of using helium responsibly and developing sustainable alternatives.

10. Mixtures of helium and oxygen can help patients with respiratory problems.

Heliox, a combination of helium and oxygen, is sometimes used in medical settings. Due to its lower density, heliox can flow more easily through constricted airways, potentially providing relief to patients with certain breathing difficulties.

This is another example of some helium fun facts and how its properties can be harnessed for practical benefits.

11. Airships were once commonly filled with helium.

Historically, helium was the gas of choice for filling airships and blimps, thanks to its lighter-than-air properties. While still used in some airships, helium is less common now due to concerns like its limited supply and potential flammability.

This use of helium marks an interesting chapter in the history of aviation.

12. Helium is essential for deep-sea diving.

woman diving underwater: fun facts about helium
Helium aids deep-sea divers’ survival. 🌊

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Deep-sea divers often breathe specialized gas mixtures containing helium. Helium’s reduced solubility in blood compared to nitrogen helps prevent decompression sickness (the bends), a potentially serious condition that can occur when divers ascend too quickly.

This application demonstrates helium’s importance in ensuring the safety of deep-sea explorers.

13. Helium is produced from radioactive decay deep within the Earth.

Surprisingly, some of the helium we use originates from a natural process happening far below our feet. Radioactive elements like uranium and thorium deep within the Earth slowly decay, releasing alpha particles, which are essentially helium nuclei.

Over vast stretches of time, these helium atoms become trapped in natural gas deposits, forming a source of this valuable element.

14. Who discovered helium?

Helium was first discovered by French astronomer Jules Janssen and British astronomer Joseph Norman Lockyer during a solar eclipse in 1868.

15. Super-cold helium is essential for particle accelerators.

Particle accelerators, used by scientists to study the building blocks of matter, rely on incredibly powerful magnets. To keep these magnets operating effectively, they must be cooled to extremely low temperatures, and that’s where liquid helium comes into play.

This highlights another fascinating application of helium in cutting-edge scientific research.

16. Neon signs get their colors from different gases, including helium.

The iconic glow of neon signs
Neon signs shine bright with helium hues. 💡

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The iconic glow of neon signs doesn’t just come from neon! Various gases create different colors when electricity excites them – helium produces a warm, peachy-orange hue.

Next time you see a neon sign, you’ll know there might be a bit of helium contributing to its vibrant display.

17. Helium makes your voice squeaky, but it won’t change your vocal cords.

While inhaling helium makes your voice sound funny, the effect is temporary. Helium’s lighter density causes sound to travel faster through your vocal tract, temporarily raising the pitch of your speech.

Don’t worry, your vocal cords will return to their normal function as soon as you breathe regular air again!

18. Helium is the only element that cannot solidify at normal pressure.

Helium has an incredibly low freezing point and resists becoming a solid even at extremely low temperatures. To solidify helium, scientists need to subject it to both extreme cold and immense pressure.

This unique property is a testament to helium’s unusual behavior as an element.

19. Liquid helium helps cool the infrared detectors of space telescopes.

Infrared telescopes allow us to peer into the depths of the universe, but their detectors need to be extremely cold to function. Liquid helium provides an ideal solution, helping to maintain these detectors at temperatures close to absolute zero.

Helium plays a quiet but essential role in expanding our understanding of the cosmos.

20. Helium is a critical resource for medical imaging.

Mri scan": fun facts about helium
Helium crucial for cutting-edge medical imaging. ⚕️

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MRI scanners, an essential tool for diagnosing medical conditions, rely on supercooled helium. The powerful magnets within an MRI require incredibly low temperatures, which helium helps maintain for safe and effective imaging.

This application demonstrates how helium plays a vital role in modern healthcare.

21. What are the uses of helium?

Helium has various uses, including filling balloons, airships, and blimps; cooling MRI magnets and other superconducting equipment; and serving as a shielding gas in arc welding.

22. Helium is formed in the heart of stars.

Stars are giant nuclear fusion reactors, and helium is a crucial product of this process. Hydrogen atoms within stars fuse together under immense heat and pressure, ultimately forming helium and releasing energy.

This process is why stars shine and also underscores helium’s cosmic origin story.

23. Helium is used in the production of computer chips.

The intricate world of microelectronics relies on helium in several ways. It creates an inert environment during the production of silicon wafers and helps cool the manufacturing equipment.

This is one of the many ways helium plays a behind-the-scenes role in powering our technological advancements.

24. Helium is used to create a protective atmosphere for welding.

man holding gray steel frame
Helium ensures safe welding atmospheres. 🔥

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Helium’s inert nature makes it ideal for certain types of welding. By displacing air around the hot metal, a helium atmosphere prevents contamination and helps ensure a high-quality weld.

It’s a practical application that showcases helium’s useful properties.

25. Helium leaks are incredibly hard to find.

Because helium atoms are so tiny, they can escape through minuscule cracks and gaps. This makes helium leaks notoriously difficult to detect and can be problematic in applications where containing the gas is critical.

Scientists and engineers use specialized tools and sensitive detectors to pinpoint even the smallest helium leaks.


Helium is used in various industries and applications, such as in cryogenics, aerospace, healthcare, and electronics, due to its unique properties, including low density and inertness.

The symbol for helium on the periodic table is u0022He.u0022 It is the second lightest and second most abundant element in the universe.

Helium is produced through the radioactive decay of heavy elements such as uranium and thorium in the Earth’s crust. It is also generated as a byproduct of natural gas extraction.

Helium gas is a colorless, odorless, and non-toxic element that exists in gaseous form at room temperature and pressure. It is chemically inert and has the lowest boiling and melting points of all the elements.

Helium is represented by the atomic symbol u0022Heu0022 and is located in the noble gas group (Group 18) of the periodic table. It is the second element in the first row.

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