What are the Strings in String Theory?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: To learn more about 23andMe head to Why strings? What are they made of? How did physicists even come up with this bizarre idea? And what’s all this nonsense of extra dimensions? You can further support us on Patreon at Get your own Space Time t­-shirt at Tweet at us! @pbsspacetime Facebook: fac