Abstract: Nowadays, railway systems are expected to have high reliability, availability, maintainability, and safety. Thousands of ZPW-2000A track circuits are in operation on the mainline and ...

A step-by-step guide to customer-based corporate valuation by Daniel McCarthy and Peter Fader In the weeks leading up to the initial public offering of apparel retailer Revolve Group, in June 2019, ...

President John Mahama says the recent tumble of the cedi reflects both overvaluation and undervaluation, insisting the currency must settle at its true value. Speaking at his maiden media encounter on ...

A brain teaser is a short, playful puzzle designed to challenge your mind and elicit a smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think ...

ASHEBORO, N.C. (WLOS) — A North Carolina sheriff's office says it is using "every resource available" to find a missing, nonverbal 7-year-old boy who may run away if approached. The Randolph County ...

Abstract: To achieve the maximum power transfer between the power amplifier (PA) and the electroacoustic transducer, this article proposes a broadband complex impedance matching network using the ...