Physical Sciences


Articles: Test & Measurement
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...

Articles: Physical Sciences
Monolithic Dual Telescope for Compact Biaxial Lidar

A document discusses the Ultra Compact Cloud Physics Lidar, a biaxial lidar with a narrow receiver field of view. It requires tight optical alignment between the transmitter and receiver paths...

Briefs: Physical Sciences
Ultra-Low-Maintenance Portable Ocean Power Station

The goals of this research are to develop a relatively inexpensive, compact, and modular power package for deep offshore oil drilling or other undersea applications that provides 2 to 5 MW...

Briefs: Physical Sciences
Mars-Optimized Solar Cells

NASA’s Jet Propulsion Laboratory, Pasadena, California

Commercial triple junction solar cell designs were modified in their junction thicknesses, contact grid densities, and anti-reflective (AR) coating...

Briefs: Physical Sciences
Alternating Magnetic Field Forces for Satellite Formation Flying

John F. Kennedy Space Center, Florida

Orbiting a large number of satellites in fixed formations will be critical to many future space missions, especially large-scale...

Articles: Physical Sciences
Thermal Materials Protect Priceless Personal Keepsakes

Thermal protection technology used on the shuttles keeps valuables safe from fire.

Most of us cannot comprehend the task of building something to withstand...

Briefs: Sensors/Data Acquisition
Nanosensor/Cellphone Hybrid for Detecting Chemicals and Concentrations

Based on solid-state technology, the sensor requires no reagents and can be refreshed with an ultraviolet diode.

Ames Research Center, Moffett Field,...

Briefs: Sensors/Data Acquisition
Coated or Doped Carbon Nanotube Network Sensors as Affected by Environmental Parameters

Applications include medical diagnostics, gas leak detection, and homeland security and defense.

Ames Research Center, Moffett Field,...

Briefs: Physical Sciences
Regenerable Internal CO Scrubber for Hydrogen Sensors

A guard electrode would protect the sensing electrode to maintain sensor sensitivity toward hydrogen.

Lyndon B. Johnson Space Center, Houston,...

Briefs: Physical Sciences
Nanostructure Sensor Determines Presence and Concentration of a Target Molecule in Fluid

This sensing system works with resonant frequencies.

Ames Research Center, Moffett Field, California

Several methods are...

Technology Leaders