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High speed camera reveals why sodium explodes! (Patreon)

Published:
2015-01-31 23:43:50
Imported:
2026-06

Content

I'm so grateful to all those who have supported this channel over the years and made this video possible. This is probably unique in that its a project that started on youtube that led to real scientific discoveries! It also has received a LOT of attention! http://www.nature.com/news/sodium-s-explosive-secrets-revealed-1.16771 http://news.sciencemag.org/chemistry/2015/01/why-popular-chemistry-experiment-blast?rss=1 http://www.bbc.com/news/science-environment-30983141 https://www.sciencenews.org/article/sodium-and-other-alkali-explosions-finally-explained?tgt=nr http://www.rsc.org/chemistryworld/2015/01/alkali-metal-explosion-explained http://cen.acs.org/articles/93/web/2015/01/Sodium-Potassium-Really-Explode-Water.html http://www.scientificamerican.com/article/sodium-s-explosive-secrets-revealed1/ http://philipball.blogspot.com/2015/01/secrets-of-exploding-sodium-revealed.html http://www.nationalcolumn.com/metal-explosions-that-is-driven-by-charge-news-3311 http://gizmodo.com/high-speed-cameras-reveal-why-sodium-explodes-in-water-1682056580 http://novaator.err.ee/v/tehnika/562cbab7-6274-41d8-8b71-736a1be8d65a

Files

High speed camera reveals why sodium explodes!

This has been a phenominally fun study to do, and I gratefully thank all those who have supported this work over the years! Seems to have gotten some media attention :-) http://www.bbc.com/news/science-environment-30983141 http://phys.org/news/2015-01-chemists-high-camera-fully-school.html https://www.sciencenews.org/article/sodium-and-other-alkali-explosions-finally-explained http://www.scientificamerican.com/article/sodium-s-explosive-secrets-revealed1/ http://news.sciencemag.org/chemistry/2015/01/why-popular-chemistry-experiment-blast http://gizmodo.com/high-speed-cameras-reveal-why-sodium-explodes-in-water-1682056580 http://www.nature.com/nchem/journal/vaop/ncurrent/full/nchem.2161.html Some of this stuff seems almost prophetic when viewed with hindsight!

Comments

Anonymous

Well done Dr. Mason. But one of the links didn't work for me.

LFTRnow

Very good work. I and my friends thoroughly enjoyed this video and I'm glad I could help in a small way. I'm wondering if you might be able to answer a few questions? 1) The mythbusters clip thrown in seems to imply that the same electric repulsion issue is the cause of that explosion. What are your thoughts? 2) What do you think would happen if you could make a "clean" (liquid?) lithium drop, similar to NaK but with no metals more reactive than lithium in it and test it in water for this behavior? (I was thinking perhaps a Ga-Li amalgam?) 3) From what I see is happening, there is first the repulsion, and then because of that, an exponentially increasing surface area which generates the hydrogen rapidly. It is the rapid rate of hydrogen production that causes the explosion, correct? (some seem to think it is caused by the rapid expansion of the metal fingers, not the hydrogen production that actually creates the bang). 4) Perhaps there is more fuel here for more videos on this topic? Are you thinking of any videos (perhaps related to this) that you'd like next to pursue?

LFTRnow

My most hearty congratulations to you for the work and success of you and your team. These are some most prestigious and popular websites!

Anonymous

Excellent video and congratulations :)

Anonymous

Wow! I have to say, I am proud to have been a part of the funding on this, and I am proud of you, congratulations on a fantastic discovery!!! I cannot describe how much respect I have for you. This must have been such a high, literally a high, to achieve this. If you are going to continue to delve into the yet unexplained aspects of this reaction, and I hope you are, I will be anxious to be an observer to that as well.

Anton

So proud I could help funding this. Great example of why I support :-)

Anonymous

Congratulations on your recent discovery, Phil! I'm thankful that I had the opportunity to support your research.