Videos, Gifs & SlideshowsGo Science! Awesome Science Videos Cut a Glass with Fire and String. By IP Factly - Jul 1, 2015 2 Go Science! Awesome Science Videos… This video shows you how to cut a glass bottle in half with fire and string. Caution: do this with adult supervision. Even More Awesome Science Videos Found an awesome science video? Contact us with the link and we’ll include it with a thanks.