Rachel Pizzolato changes car oil in a practical tutorial for everyday drivers. Enormous freshwater reservoir discovered off the East Coast may be 20,000 years old and big enough to supply NYC for 800 ...

Germany’s massive flak towers were built to shield cities like Berlin and Vienna from Allied bombing. In practice, their fire created a hidden threat on the ground. Every anti aircraft shell that ...

Abstract: Being able to build a map of the environment and to simultaneously localize within this map is an essential skill for mobile robots navigating in unknown environments in absence of external ...