City officials have called for a hearing investigating Waymo after the company’s self-driving taxis suffered widespread problems during a power outage. By Soumya Karlamangla San Francisco officials on ...

Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...

Humans have been harnessing the energy of river currents for centuries, using water wheels spun by rivers initially to process grains and cloth. Today, hydropower provides about 16 percent of the ...