By Luc Olinga The richest man in the world is currently working on new products whose unveiling date is still unknown. An unprecedented heat wave is currently affecting the northern hemisphere. Parts of the United States and Europe are suffering scorching temperatures as another round of record-breaking heat waves grips Western countries. Triple-digit temperatures have been recorded in parts of the United States, with million of Americans urged to stay indoors. The National Weather Service (NWS) continues to issue excessive heat alerts, with particularly harrowing temperatures in Southwestern …