What is an acoustic drone detection system?
An acoustic drone detection system uses the sound of a drone’s motors and blades to determine the type of drone and its location.
Primers are concise, accessible, and informative overviews of relevant technical topics for the DoD community.
What is graphene?
Graphene is a single-atom-wide layer of strongly bound carbon atoms configured in a hexagonal lattice. It is equivalent to a single atomic layer of graphite and is unique because of its sp2 hybridization and extremely...
What are hydrogels?
Hydrogels are materials that can absorb and hold large amounts of water. They are made up of hydrophilic functional groups that attach to polymers and are cross-linked via hydrogen bonding and other interactions to form...
What are hypersonic weapon systems?
A hypersonic weapon is a projectile that travels at a minimum of five times the speed of sound (Mach 5).