This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

On the ground floor of an apartment block in the town of Ongata Rongai, south of Nairobi, two rockets stand upright on metal ...

It was sometime in the mid 1960s and President Lyndon Johnson was feeling frustrated. With all the things he already had to put up with, the Republicans had come up with what had come to be nicknamed ...