Briefs: Test & Measurement
Dual-Cavity Rayleigh Scattering Measurement System

Molecular-based optical diagnostics techniques capable of obtaining simultaneous measurements of multiple fluid properties are critically important for characterizing hypersonic air-breathing...

Briefs: Test & Measurement
Miniature Laser Magnetometer

Space missions using magnetometers have been very successful. However, science missions now require higher levels of accuracy and stability in order to refine existing understanding and improve modeling. In most space...

Briefs: Test & Measurement
Cryogenic Slosh Apparatus

Commercially available components are integrated into an assembly that can be used to measure the slosh dynamics of cryogenic liquids. The apparatus consists of a linear motion table that is properly instrumented to...

Briefs: Test & Measurement
Negative-Ion Time Projection Chamber Polarimeter for Measuring Polarization of Bright Transient Astrophysical Sources

Goddard Space Flight Center, Greenbelt, Maryland

A negative ion time projection chamber (NI-TPC) was developed that is...

Articles: Test & Measurement
Smart-Grid-Ready Instrumentation

The term “smart grid” is an umbrella term used to refer to new technologies that aim to address today’s electrical power grid challenges. At a high level, these technologies address challenges associated with...

Articles: Photonics/Optics
The Hubble Space Telescope

On April 24, 1990, something happened that forever altered mankind’s view of the universe. It was on that day that the Hubble Space Telescope (HST) was launched into space aboard the Space Shuttle Discovery.

Products: Test & Measurement
Source Measure Instrument

Keithley Instruments, Cleveland, OH, introduced the Model 2460 SourceMeter® Source Measure Unit (SMU) instrument with a capacitive touchscreen graphical user interface. It offers power sourcing up to 105V, 7A...

Articles: RF & Microwave Electronics
A Continuous-Flow, Microfluidic, Microwave-Assisted Chemical Reactor

In industrial synthetic chemistry laboratories, reactions are generally carried out using batch-mode methodologies, stepwise reactions, and purifications to generate a final...

Briefs: Test & Measurement
High-Resolution Data Acquisition System Enables Reliable Engine Parameter Measurements

Data acquisition plays a critical role in improving vehicle component performance and overall system reliability. Measuring engine parameters, including engine...

Articles: Test & Measurement
Guarded Flat Plate Insulation Test Cryostat

The guarded flat plate insulation test cryostat (Cryostat-500) is a boil-off calorimeter comprising a flat-bottom test apparatus for measuring the absolute thermal performance of an insulation test...

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