Why Do Lighthouses Have Red Stripes?

My eternal thanks to the community for supporting this video:   / casualnavigation   View the director's commentary for this video:   / 80426800   ✩ABOUT THIS VIDEO✩ In this video, we investigate how lighthouses work, looking at the Fresnel Lens and asking why they are painted with red stripes. ✩JOIN OUR COMMUNITY✩   / casualnavigation   The community is our space for anyone that wants to get even more from Casual Navigation. I am eternally grateful for all members of the community as you are the ones that help me and continue to drive this channel forward. When you join, you’ll instantly become much closer to the channel, with a range of perks and rewards depending on the tier you select. ➼ Ad-Free ➼ Early Access ➼ Bonus Content ➼ Get Involved ✩WITH THANKS✩ ➼ ARTISTS Royce Nicdao, Vladimir Grbic, Rob Farnworth ✩DISCLAIMER✩ All content on this channel is provided for entertainment purposes only. Although every effort has been made to ensure the content is accurate and up to date, it remains the responsibility of the viewer to determine its accuracy and validity. The content should never be used to substitute professional advice or education.