Discover the incredible true story of Beatrice Shilling, the motorcycle-racing engineer who changed World War II with a brilliant 5-cent invention. This documentary reveals how a female genius outsmarted male engineers and gave RAF pilots the edge that helped win the Battle of Britain. Learn how Shilling's ingenious 'orifice' modification saved thousands of lives and turned the tide against the Luftwaffe. Perfect for history buffs, engineering fans, and anyone who loves stories of unsung heroes. Packed with rare archival footage, expert interviews, and dramatic reenactments of Shilling's daring wartime work. Watch now to uncover the forgotten genius who proved that innovation knows no gender #historydocumentary #history #historyfacts