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High-Rate Discharge Battery and Electric Motor for Space Use

The National Aeronautics and Space Administration (NASA) has a need for high-rate discharge batteries and electric motors that can drive an electric pump to power a set of lander engines in support of their Mars…

Film Resistor and Capacitor Failure Modes and Distributions

  The Defense Systems Information Analysis Center (DSIAC) was asked to investigate film resistor drift and the percentage of resistance value realizable in that failure mode.  A similar search for the failure modes and subsequent…

Ceramic Chip Capacitors

DSIAC was asked to do research involving two different types (CDR and CK/CKR) of commercial/industrial grade ceramic chip capacitors listed in MIL-HDBK-217F. The inquirer was uncertain because CDR would seem the obvious choice but CK/CKR (general purpose) have…

Articles

Sculpting With Graphene Foam

Rice University scientists have developed a simple way to produce conductive, three-dimensional (3D) objects made of graphene foam. The squishy solids look and feel something like a child’s toy but offer new possibilities for energy storage and flexible electronic sensor applications. The technique detailed in advanced materials is an extension of groundbreaking work by the

The Raw Power of Human Motion

Standalone power modules that harvest and convert vibrations from their surroundings into electricity could soon fuel future microsystems. Autonomy is a much-anticipated feature of next-generation microsystems, such as remote sensors, wearable electronic gadgets, implantable biosensors and nanorobots. KAUST researchers led by Husam Alshareef, Jr-Hau He and Khaled Salama have developed small standalone devices by integrating

GA-EMS to Develop High Energy Density Capacitors for US Navy”s HPM Systems

The US Navy has awarded a new contract to General Atomics Electromagnetic Systems (GA-EMS) for the development of advanced, high energy density capacitors. The deal has been awarded by the navy through the Defense Ordnance Technology Consortium (DOTC) and the capacitors will be used in high-power microwave (HPM) weapon systems. GA-EMS will use advanced technologies