After multiple deaths and injuries, NHTSA is investigating comma.ai

​Feds know of 5 crashes where cars using comma.ai devices hit slow or stopped vehicles.  Aftermarket devices that can boost or augment a vehicle’s native advanced driver assistance systems are the target of a new federal investigation this week. The National Highway Traffic Safety Administration’s Office of Defects Investigation…

Small undersea volcanoes may unleash outsized tsunamis

Post-eruption imaging of the Hunga caldera gives new details of its collapse. Krakatau, a volcanic island in Indonesia, killed more than 30,000 people when it erupted in 1883. One might assume that volcanic debris posed the major threat, yet many of the victims died from a tsunami caused by…