Electronics & Semiconductors

Scientists use single dye-sensitized solar cell as a photocapacitor

A photocapacitor integrating both energy harvest and storage functions into a single component can serve as a wireless charging source for mobile devices. However, current photocapacitors usually contain more electrodes or ...

Business

Uber's stock surges on positive trends despite big Q2 loss

Uber's effort to meld its pioneering ride-hailing service with food and freight delivery showed progress during the past quarter even though the company sustained a huge loss stemming from a sharp decline in its outside investments.