ABC News’ Jay O’Brien reports on the U.S. effort to build high-speed rail, including the launch of Amtrak’s newest Acela trains, and why the rest of the world is farther along.
When we form a memory, brain cells need to deliver supplies to strengthen specific neural connections. A new study from MPFI ...
Practical Engineering on MSN
The Hidden Reason Bridges Move and Stay Standing
Ever noticed a bridge moving beneath your feet? This video explains why bridges expand, contract, and flex - and how ...
YouTube on MSN
HOW TO GET INSIDE THE TRAIN EARLY
Unlock the secrets to efficient train boarding and never miss a seat again! In this video, we'll share essential strategies ...
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