Amazing invention by Heron of Alexandria... no copyright infringement intended. i do not own or claim to own the footage shown in this video. "Copyright Disclaimer, Under Section 107 of the Copyright Act 1976, allowance is made for 'fair use' for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use."