What Amtrak and NJ Transit are doing to prevent another commuter Summer of Hell
Only 11 months ago, problems with Amtrak’s Northeast Corridor Line’s infrastructure and NJ Transit’s aging trains manifested ...
Railway Age1mon
AAR, HDR Tear Apart Catenary
Should freight railroads consider catenary electrification? Absolutely not, the Association of American Railroads (AAR) stresses in a study “highlighting the overwhelming financial, operational and ...
Frontiers1mon
Multi-parameter optimizations of elastic chain catenary based on response surface methodology for high-speed railway
A finite element model of the catenary was established to simulate the motion of ... When analyzing the effect of contact line tension, other parameters are kept constant, with the train running at a ...
Investopedia3mon
Euler’s Number (e) Explained, and How It Is Used in Finance
Don’t confuse Euler’s number with Euler’s constant, which is another irrational and non-terminating number that begins with 0.57721. 2.718281828459045... Euler’s number e is a mathematical ...