123 APP
sábado, 3 de septiembre de 2016
There is a phenomena called "Tunnel Boom" where high speed trains entering tunnels cause booming noises at the other end. Trains and tunnels have been designed to reduce this.
https://youtu.be/qNmVEPTLDuI via /r/videos http://ift.tt/2c1Ps13
No hay comentarios:
Publicar un comentario
Entrada más reciente
Entrada antigua
Inicio
Suscribirse a:
Enviar comentarios (Atom)
No hay comentarios:
Publicar un comentario