Lightning

lightning

Weather phenomenon involving electrostatic discharge

Lightning is a natural phenomenon consisting of electrostatic discharges occurring through the atmosphere between two electrically charged regions. One or both regions are within the atmosphere, with the second region sometimes occurring on the ground. Following the lightning, the regions become partially or wholly electrically neutralized.

Robot sets half-marathon record

Robot sets half-marathon record A Chinese humanoid robot has shattered the human half-marathon record, finishing in just over 50 minutes.