"Once we had this projection, which was covered in dots representing the positions of the atoms from the corridor experiment, we used a reducing pantograph ... we wrote a paper outlining our ...

Pantograph arcing caused by Off-line of pantograph-catenary (OLPC) will generate Electromagnetic disturbance (EMD), which will affect train control system and communication system. This paper proposes ...

Abstract: In this paper we consider the asymptotic behaviour of one‐leg Θ‐methods when applied to the pantograph equation y′(t) = a(t) y(t) + b(t) y(q t), t ≥ 0, y(0) = ȳ, where a(t) and b(t) are ...

The machine has an arm that can hold a standard pen or pencil and can reproduce the programmed signature on paper. The device is not a new concept. A precursor to the Autopen was the 19th-century ...

The machine has an arm that can hold a standard pen or pencil and can reproduce the programmed signature on paper. • The device is not a new concept. A precursor to the Autopen was the 19th-century ...

All bags are not created equal when it comes to the environment. And paper might not be as green as you think. Credit...Photo by Tony Cenicola/The New York Times Supported by By Rachel Nuwer With ...

International Paper has laid off over 2,500 employees and closed multiple facilities since October. The Memphis-based company cited a need to align resources with customer needs and become a ...

China’s highest court has called for a crack down on the activities of paper mills, businesses that churn out fraudulent or poor-quality manuscripts and sell authorships. Some researchers are ...

Mr Wang shared that in order to achieve the unprecedented operational speed of 400 kilometres per hour, engineers improved traction capacity, dynamic performance, and pantograph systems ...

The remaining two changes will introduce more practical requirements for freight wagon brakes and electric train pantographs, meaning NTSN-compliant products may not fully align with TSIs. Hendy said: ...

Artist Dick Frizzell recounts his toddler through teenage years in the new memoir Hastings: A Boy's Own Adventure. Photo / Michael Craig The 82-year-old painter speaks to Kim Knight about ...

Keep Your Pantographs in Peak Condition with YelTech! Pantographs on trains, trams, and electric buses experience significant wear, requiring regular maintenance to prevent power supply failures and ...