The Channel Tunnel is linking England and France beneath the English Channel. Crossing the violent English Channel via an underground tunnel has been one of mankind’s greatest engineering dreams. Lets explore th piston relief ducts.
A wave that is completely invisible to ships in the deep ocean can transform into an unstoppable wall of water as it nears the shore. As water depth decreases, the once-harmless wave suddenly grows to an enormous height, transforming into a devastating wall of water. How does this terrifying transformation happen? Let's explore this.
Five centuries ago, Leonardo Da Vinci dreamed of a helicopter like machine. Da Vinci designed the mechanism so operators would remain stationary while the rest rotated.