Keyword: Microgravity

Briefs: Medical
A Miniaturized Video System for Monitoring Drosophila Behavior

Long-term spaceflight may induce a variety of harmful effects in astronauts, resulting in altered motor and cognitive behavior. The stresses experienced by humans in space — most significantly weightlessness (microgravity) and cosmic radiation — are difficult to accurately...

Application Briefs: Test & Measurement
New Shepard rocket-propelled vehicle Blue Origin
Kent, WA
253-872-0411 www.blueorigin.com

Blue Origin has received funding from NASA’s Commercial Crew Development (CCDev)...

Briefs: Mechanical & Fluid Systems

Mass balances usually use a strain gauge that requires an impedance measurement and is susceptible to noise and thermal drift. A piezoelectric balance can be used to measure mass directly by...

Briefs: Mechanical & Fluid Systems

A bladderless water tank (see figure) has been developed that contains capillary devices that allow it to be filled and emptied, as needed, in microgravity. When filled with water, the tank...

Briefs: Physical Sciences

An improved magnetic levitation apparatus (“Maglev Facility”) has been built for use in experiments in which there are requirements to impose variable gravity (including zero gravity) in...

Articles: Robotics, Automation & Control

Robots are capable of very precise motion, but must be guided with precision in order to fulfill their potential. Consider the task of guiding a robotic surgeon’s arm to suture a wound...

Briefs: Physical Sciences
Radio-Frequency Tank Eigenmode Sensor for Propellant Quantity Gauging

Although there are several methods for determining liquid level in a tank, there are no proven methods to quickly gauge the amount of propellant in a tank while it is in low gravity or under low-settling thrust conditions where propellant sloshing is an issue. Having the...

Briefs: Physical Sciences

A transportable atom interferometer-based gravity gradiometer has been developed at JPL to carry out measurements of Earth’s gravity field at ever finer spatial resolutions,...

Briefs: Manufacturing & Prototyping
Electrostatic Separator for Beneficiation of Lunar Soil

A charge separator has been constructed for use in a lunar environment that will allow for separation of minerals from lunar soil. Any future lunar base and habitat must be constructed from strong, dense materials to provide for thermal and radiation protection. It has been proposed that...

Who's Who: Aerospace

Gary Martin began his career with NASA in the Microgravity Sciences and Applications Division in 1990 where he served as Branch Chief...

Briefs: Software
Oxygen Generation System Laptop Bus Controller Flight Software

The Oxygen Generation System Laptop Bus Controller Flight Software was developed to allow the International Space Station (ISS) program to activate specific components of the Oxygen Generation System (OGS) to perform a checkout of key hardware operation in a microgravity environment,...

Application Briefs: Medical
Quantim Coriolis mass flow controller
Brooks Instrument
Hatfield, PA
215-362-3527
www.brooksinstrument.com

Transporting medical fluids that are...

Briefs: Medical
Anaerobic Digestion in a Flooded Densified Leachbed

A document discusses the adaptation of a patented biomass-digesting process, denoted sequential batch anaerobic composting (SEBAC), to recycling of wastes aboard a spacecraft. In SEBAC, high-solids-content biomass wastes are converted into methane, carbon dioxide, and compost.

Briefs: Mechanical & Fluid Systems
Reducing Liquid Loss During Ullage Venting in Microgravity

A centripetal-force-based liquid/gas separator has been proposed as a means of reducing the loss of liquid during venting of the ullage of a tank in microgravity as a new supply of liquid is pumped into the tank. Centripetal-force-based liquid/gas separators are used on Earth, where...

Briefs: Mechanical & Fluid Systems

The design, fabrication, and microgravity flight-testing are part of a continuing development of palm-sized mobile robots that resemble spiders (except that they have six legs apiece, whereas a...

Briefs: Medical
Producing Newborn Synchronous Mammalian Cells

A method and bioreactor for the continuous production of synchronous (same age) population of mammalian cells have been invented. The invention involves the attachment and growth of cells on an adhesive-coated porous membrane immersed in a perfused liquid culture medium in a microgravity analog...

Briefs: Mechanical & Fluid Systems

A lightweight, low-power camera dart has been designed and tested for context imaging of sampling sites and ground surveys from an aerobot or an orbiting spacecraft in a microgravity environment. The...

Briefs: Medical

A method of promoting healing of injured or diseased neurons involves pharmacological activation of the STAT3 alpha protein. Usually, injured or diseased neurons heal incompletely or...

Briefs: Medical

Two devices — a magnetic separator and a special filter denoted a self-regenerating separator (SRS) — have been developed for separating sludge from the stream of wastewater...

Who's Who: Sensors/Data Acquisition

Fire is deadly and unpredictable on Earth; in an enclosed space vehicle in orbit, its presence takes on even more serious implications. To prevent the threat of...

Briefs: Medical

The vacuum-assisted, constant-force exercise device (VACFED) has been proposed to fill a need for a safe, reliable exercise machine that would provide constant loads that could range from 20 to...

Briefs: Electronics & Computers
The Flostation — an Immersive Cyberspace System

A flostation is a computer-controlled apparatus that, along with one or more computer(s) and other computer-controlled equipment, is part of an immersive cyberspace system. The system is said to be “immersive” in two senses of the word: (1) It supports the body in a modified form neutral...

Briefs: Physical Sciences
Solid-Phase Extraction of Polar Compounds From Water

A solid-phase extraction (SPE) process has been developed for removing alcohols, carboxylic acids, aldehydes, ketones, amines, and other polar organic compounds from water. This process can be either a subprocess of a water-reclamation process or a means of extracting organic compounds from...

Briefs: Physical Sciences

A two-photon fluorescence microscope has been developed for the study of biophysical phenomena. Two-photon microscopy is a novel form of laser-based scanning microscopy that...

Briefs: Physical Sciences

Atom skimmers are devices that act as low-pass velocity filters for atoms in thermal atomic beams. An atom skimmer operating in conjunction with a suitable thermal atomic-beam source (e.g., an...

Briefs: Mechanical & Fluid Systems

The centrifugal adsorption cartridge system (CACS) is an apparatus that recovers one or more bioproduct(s) from a dilute aqueous solution or suspension flowing from a bioreactor. The CACS can be used both on...

Briefs: Mechanical & Fluid Systems

The fluid bubble eliminator (FBE) is a device that removes gas bubbles from a flowing liquid. The FBE contains no moving parts and does not require any power input beyond that needed to pump the...

Briefs: Physical Sciences

A laser cooling apparatus that generates a cold beam of rubidium and cesium atoms at low pressure has been constructed as one of several intermediate products of a continuing...

Briefs: Robotics, Automation & Control

The Directional Acceleration Vector-Driven Displacement of Fluids (DAVDDOF) system, under development at the time of reporting the information for this article, would be a relatively...

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