Fun

Tunnel Boring Machine Race (riddle)

Tunnel Boring Machine A is in 2nd place in a race to finish a tunnel. Tunnel Boring Machine B comes along-side Tunnel Boring Machine...

A Tunnel Boring Machine and...

A Tunnel Boring Machine (TBM) and a crane together cost $1,100,000. The TBM costs $1,000,000 more than the crane. How much does the crane cost? Many...

A young Engineer and his...

A young Engineer and his Project Manager board a train headed through the mountains on its way from Switzerland through the Swiss Alps...

Tunnel Crossing (riddle)

A family wants to get through a tunnel at night. Dad can make it in 1 minute, mom in 2 minutes, son in 4...