I was invited by Kocaeli Municipality in Türkiye this weekend to give a keynote speech in their Circular Economy Festiva…

I was invited by Kocaeli Municipality in Türkiye this weekend to give a keynote speech in their Circular Economy Festival…I had no idea that this place was conquered by AkçaKoca although I saw his name in the auditorium of the conference center…until I heard the Turkish Minister of Environment and Urbanization in the opening speech …

This Is Why Roller Coaster Loops Are Never Circular

Are you a roller coaster enthusiast? If you are, you’ve probably noticed (when you weren’t screaming and closing your eyes) that the loops on these thrill rides are never circular. And you’ve also probably noticed that vertical loops have an inverted teardrop shape instead of a complete circle. Photo Credit: Unsplash,David Traña The loops on …

Why Roller Coaster Loops Aren’t Actually Circular Anymore

If you’ve ever been on a modern looping roller coaster, you may be surprised to learn that when such “railways” were invented in the 1840s, they were painful, precarious, and not popular. Their biggest problem? The early loops were perfect circles. Watch and see how roller coaster engineers changed the loop’s design over time, trying …