What was Project Excalibur?

Introduction Project Excalibur was a Lawrence Livermore National Laboratory (LLNL) Cold War-era research programme to develop an X-ray laser system as a ballistic missile defence (BMD) for the United States. The concept involved packing large numbers of expendable X-ray lasers around a nuclear device, which would orbit in space. During an attack, the device would… Read More


What is DARPA?

Introduction The Defence Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defence responsible for the development of emerging technologies for use by the military. Originally known as the Advanced Research Projects Agency (ARPA), the agency was created on 07 February 1958 by President Dwight D. Eisenhower… Read More