News
DARPA is Using Earth’s Atmosphere as a Sensor to Detect Secret Explosions and Spacecraft Reentries
DARPA is using Earth’s atmosphere as a powerful sensor, allowing the detection of events like rocket reentries and illicit ...
THE modified form of the ionic deflexion theory of wave propagation, discussed by Messrs. Nichols and Schelling (NATURE, March 7, vol. 115, p. 334), appears to have been suggested in England and ...
Interesting Engineering on MSN6d
How Elon Musk’s SpaceX accidentally helped DARPA build a ‘rocket radar’The team detected unusual disturbances linked to a SpaceX Falcon 9 rocket plummeting through the atmosphere during reentry. AtmoSense aims to use the atmosphere as a global sensor by measuring ...
IFLScience on MSN5mon
Sound Made To Travel In Just One Direction By ResearchersSound spreads both forwards and backward in a space, meaning someone standing ... for the same to be done with ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback