Stepper motors are useful for relatively low-speed, intermediate-torque drive and positioning applications, particularly where accurate sub-revolution rotor position control is necessary. Motors of ...

To evaluate the outdoor performance and stability of perovskite solar cells using contactless and noninvasive methods, an Australian and Chinese research team found a way to use photoluminescence ...

JA Solar announced it achieved a record-breaking open-circuit voltage for a solar cell based on tunnel oxide passivated contact (TOPCon) technology. Germany's Institute for Solar Energy Research in ...