Frequently Asked Questions By You

How can I watch your videos if i don't have access to YouTube?


We understand some institutions, such as schools & universities may block access to YouTube videos. However, YouTube has included our videos in a new programe to make its videos more accessible in schools. Find out more at www.youtube.com/schools. An older and limited selection of our videos are also available on a mirror site (click here). Lastly, teachers can speak to their IT departments and have them unblock our videos on YouTube for all the best and latest material. Click Here for a full list of YouTube Urls linking to our videos.




Are your videos available on DVD?


We've had many people ask for these films on DVD. We're looking into making these available and will keep you posted. Drop us an email if you're interested.




Now you've covered all the elements are you stopping?


Not at all. We're updating all the videos with new information and demonstrations, and produce many other films about molecules and other chemistry stuff. We often upload 2-3 new videos a week.

The best way to keep up with new films is subscribe on YouTube or subscribe to updates from our site for all the latest news & updates.
You can always be in the know with everything that is going on by following us on Twitter, Facebook & Brady's Blog




Can I watch these films with subtitles or captions?


Yes, this option is available on a large number of our YouTube films and in various langauges. They've been prepared by a variety of sources, including volunteers and the University of Nottingham's Alternative Formats Service. When watching on YouTube, simply click the 'CC' button at the bottom of the player to activate subtitles and closed captioning.




How can I get some elements and do this myself?


We don't recommend it. Although the people in these videos are clearly having fun, they are trained scientists and know exactly what they are doing. Many of the elements are very dangerous if not used properly and we discourage anyone from replicating any of the demonstrations carried out.

As they say in the classics: "Don't try this at home".




Who is the guy with the crazy hair?


Martyn Poliakoff, CBE, is a research professor at the University of Nottingham. His latest area of expertise is green chemistry. You can see more great videos from him at our sister site Test Tube.




How did this all start?


It was the idea of video journalist Brady Haran, who had been making various films with scientists in Nottingham ( Find out more). He approached Professor Poliakoff, who loved the idea and almost immediately started reeling off great stories and information from the top of his head. Other scientists from the university chemistry department have also helped in their areas of expertise. You can also check out this great article all about how we started Periodic Videos




Anything Else?


Brady would like to dedicate this site to his high school chemistry teacher Mr Dunaiski, who inspired his fascination with the periodic table. Hopefully this makes up for his not following a career in science!? And a massive thanks to Kylie for suffering his obsession with editing all the videos.





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Periodic Videos