We are independent & ad-supported. We may earn a commission for purchases made through our links.

Advertiser Disclosure

Our website is an independent, advertising-supported platform. We provide our content free of charge to our readers, and to keep it that way, we rely on revenue generated through advertisements and affiliate partnerships. This means that when you click on certain links on our site and make a purchase, we may earn a commission. Learn more.

How We Make Money

We sustain our operations through affiliate commissions and advertising. If you click on an affiliate link and make a purchase, we may receive a commission from the merchant at no additional cost to you. We also display advertisements on our website, which help generate revenue to support our work and keep our content free for readers. Our editorial team operates independently from our advertising and affiliate partnerships to ensure that our content remains unbiased and focused on providing you with the best information and recommendations based on thorough research and honest evaluations. To remain transparent, we’ve provided a list of our current affiliate partners here.

What is the Difference Between Cryonics and Cryogenics?

Michael Anissimov
Updated May 21, 2024
Our promise to you
All The Science is dedicated to creating trustworthy, high-quality content that always prioritizes transparency, integrity, and inclusivity above all else. Our ensure that our content creation and review process includes rigorous fact-checking, evidence-based, and continual updates to ensure accuracy and reliability.

Our Promise to you

Founded in 2002, our company has been a trusted resource for readers seeking informative and engaging content. Our dedication to quality remains unwavering—and will never change. We follow a strict editorial policy, ensuring that our content is authored by highly qualified professionals and edited by subject matter experts. This guarantees that everything we publish is objective, accurate, and trustworthy.

Over the years, we've refined our approach to cover a wide range of topics, providing readers with reliable and practical advice to enhance their knowledge and skills. That's why millions of readers turn to us each year. Join us in celebrating the joy of learning, guided by standards you can trust.

Editorial Standards

At All The Science, we are committed to creating content that you can trust. Our editorial process is designed to ensure that every piece of content we publish is accurate, reliable, and informative.

Our team of experienced writers and editors follows a strict set of guidelines to ensure the highest quality content. We conduct thorough research, fact-check all information, and rely on credible sources to back up our claims. Our content is reviewed by subject matter experts to ensure accuracy and clarity.

We believe in transparency and maintain editorial independence from our advertisers. Our team does not receive direct compensation from advertisers, allowing us to create unbiased content that prioritizes your interests.

Cryogenics is the scientific study or production of extremely low temperatures (below –150 °C, –238 °F or 123 K), whereas cryonics is the low-temperature preservation of humans quickly after the cessation of heartbeart in an anticipation of future survival.

Low-temperature science is very important to various domains of technology: during WWII, it was found that metals cooled to extremely low temperatures were more durable in the field, a process called cryogenic hardening. Liquid nitrogen was then, as it is now, the most commonly used cryogenic agent, as it has a temperature below −320 °F (−196 °C, 77 K). When even lower temperatures are required, liquid helium is used, with a temperature below 3 K.

Cryogenics has many practical applications: in preserving food products or biological samples, blocking water flow in pipes so they can be worked on, in areas where a tap is inaccessible, a coolant for extremely sensitive sensors or overclocked computers, cooling medium for machining certain alloys, and cryotherapy such as removal of warts. Cryonics is also an application of cryogenics, but the two are certainly not the same.

Cryonics is popular in the futurist community as a method of preservation for possible future revival. In common wisdom, it used to be when the heart stopped, a person was defined as dead. But modern medicine allows the revival of those with stopped hearts, so the definition of death has generally been redefined as the cessation of brain activity. Cryonics advocates take this a step further, stating that if the pattern of our neural interconnections (which encodes our personality, memories, emotions, everything) are frozen at extremely low temperatures, then they will not degrade, and the person should not be defined as "dead" per se. Given sufficiently advanced technology, the patient could be warmed up to room temperature and their metabolism rebooted.

There are examples of this in nature: certain frogs can freeze solid during the winter and come back to life during the summer. The cryonics process has been developed such that expanding ice crystals are not an issue: a process called vitrification completely avoids the creation of ice, using flash-freezing, the brain becomes frozen in a plastic-like substance.

Whether or not cryonics ultimately works remains to be seen. But for now: make sure you know the difference between cryonics and cryogenics.

All The Science is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Michael Anissimov
By Michael Anissimov , Writer
Michael Anissimov is a dedicated All The Science contributor and brings his expertise in paleontology, physics, biology, astronomy, chemistry, and futurism to his articles. An avid blogger, Michael is deeply passionate about stem cell research, regenerative medicine, and life extension therapies. His professional experience includes work with the Methuselah Foundation, Singularity Institute for Artificial Intelligence, and Lifeboat Foundation, further showcasing his commitment to scientific advancement.

Discussion Comments

By KaBoom — On Oct 03, 2011

@strawCake - Yeah, I believe the first person to be cryonically frozen was actually sometime in the 80's. If I remember right, it was a family member of one of the people that runs a cryonics company.

I kind of have mixed feelings about this. I mean, no one is making any of the people who are frozen do this. They do it voluntarily. But I don't really think that there is much hope of ever "waking them up" in the future. So it kind of seems like they are paying a lot of money to be interred in a really weird way.

By strawCake — On Oct 03, 2011

@backdraft - It's actually an urban legend that Walt Disney was cryonically preserved. However, Ted Williams was! (I just did a little research online because I was so curious.)

I had no idea that people actually do this, but it can be done. However, there is one catch at the moment-the cryonic freezing process isn't reversible yet. So you're pretty much gambling on the fact that you may be able to be unfrozen at some point in the future if you do this. And, it is quite expensive. I believe it costs a few hundred thousand dollars to have your whole body cryonically preserved.

By backdraft — On Oct 02, 2011

I have heard of people having just their heads frozen for possible reanimation at a later date. I think they did this with Walt Disney and maybe a famous baseball player, Joe DeMaggio or Ted Williams maybe.

Does anyone know if this is true and if there is anyway they could do something with just the head? Does it have to do with keeping the brain intact?

By jonrss — On Oct 02, 2011

I've always been really interested in the idea of cryogenics, particularly the idea that they could freeze my body and then thaw me out when science has advanced enough to extend my life for much much longer.

What I like so much about this idea is that it both makes a lot of sense and sounds totally wacky at the same time. Freezing is a great method of preservation and if none of your tissue has broken down it makes some kind of sense that they could reanimate it at some point. But on the flip side thinking about being frozen for years or even centuries and then coming back to life sounds like something from a bad science fiction novel. Time will tell I guess. If the science is there to make it work someone will figure it out.

By anon134669 — On Dec 15, 2010

I love wisegeek. I've consulted it for numerous school projects.

By anon112566 — On Sep 20, 2010

This is a very good article that answered my questions on the subject of cryogenics and cryonics.

Michael Anissimov

Michael Anissimov


Michael Anissimov is a dedicated All The Science contributor and brings his expertise in paleontology, physics, biology...
Learn more
All The Science, in your inbox

Our latest articles, guides, and more, delivered daily.

All The Science, in your inbox

Our latest articles, guides, and more, delivered daily.