An epically labyrinthine road intersection in Chengdu, Sichuan, China photographed (via drone) by Jordan Hammond.
Tag Archives: intersection
Games theory and maths Puzzle boffin Presh Talwalkar shows how to multiply any two numbers just by drawing lines.
The origins of the technique may be Vedic or Japanese. No-one seems too sure.
Presh offers a fuller explanation of the method here.
This is one of the reasons Gibraltar Airport is considered one of the most dangerous in the world (aside from the fact that it’s closer to an urban centre (0.5km) than any other airport).
Winston Churchill Avenue – which intersects the runway and has to be closed every time a plane lands or takes off.