Science news articles about 'sensor measures'

  • Small primate ancestors had a leg up

    ... a loop of rope around two pulleys -- to measure the animals' efforts. As the animals moved at their highest sustainable speed, sensors measured oxygen level changes within ...
  • Magnetic sensor that brooks no interference

    ... . The researchers have arranged several sensors in a pixel cell in such a way that they can measure all three components of the magnetic ... . If two of these pixel cells are placed on a chip, the sensor measures not only the magnetic field as such, but also how the position of the magnetic ...
  • CellForce Sensor Measures Footprint And Migration Of Cells

    ... physiology and developed a low-cost optical sensor to measure the force with which tiny, migrating somatic ... . The sensor consists of a smooth surface that is studded with 250,000 tiny plastic columns measuring ...
  • Model predicts a system's remaining life and links info to inventory decisions

    ... , has developed models that use data from real-time sensor measurements to calculate and continuously revise the amount ... and respond" logistics paradigm. "Recent advances in sensor technology and wireless communication have enabled us ...
  • The physics of explosives and blast helmets

    ... team modified crash test dummies with sensors that could measure the pressure of a blast at various locations ... . Part of what they found in the experiments was surprising, says Mott. The sensors measured variable pressures in the large explosions ...
  • As ice melts, Antarctic bedrock is on the move

    ... of millimeters per year. POLENET's GPS sensors measure how much the crust is rising or falling, while the seismic sensors measure the stiffness of the bedrock -- a key factor for predicting how much the bedrock ...
  • New method monitors critical bacteria in wastewater treatment

    ... atoms and molecules, from the wastes. The "filtering flux sensor" measures ammonia and nitrite to reveal the ion ... 't new, but the technique for using it is," McLamore said. "Sensors have never been used this way to measure biofilm ammonia and nitrite ...
  • I'm Forever Imploding Bubbles - New Sensor Measures Localized Ultrasonic Cavitation

    ... Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation – the implosion ... when a high frequency sound wave is applied. The sensor will help hospitals ensure that their instruments are properly ...
  • Faster than the speed of sound: New control system has what it takes to guide experimental aircraft

    ... it stable during a flight, Fiorentini explained. Sensors measure factors such as altitude, velocity, and acceleration, and the controller calculates whether any adjustments need ...
  • Femtoseconds lasers help formation flying in space

    ... spacecraft – the formation can effectively act as one large sensor. Measuring absolute distance between the formation spacecraft ... worldwide are developing other systems using such technology as distance measuring instruments. Prototype systems will need to have uncertainty ...
  • NASA global precipitation measurement mission passes major review

    ... carrying microwave sensors. GPM will provide uniformly calibrated precipitation measurements globally every ... and societal applications. The GPM Core Observatory sensor measurements will for the first time make quantitative ...
  • Measuring carbon dioxide over the ocean

    ... are made, while open-path sensors can be used to measure the air in situ. One advantage of using open-path ... do not tally with those from closed-path sensors, or with measurements made using other techniques. "Other scientists have been sceptical about the reliability ...
  • NIST sensor measures yoctonewton forces fast

    ... is an asset for practical applications. The previous force measurement record with this level of sensitivity was achieved by another ... scales but did not make calibrated measurements. *** The ion sensor described in Nature Nanotechnology works ...
  • Enzyme in saliva shapes how we sense food texture

    ... 's saliva was mixed with a standardized starch sample and a sensor measured the enzymatic break-down of the starch ... . Next, enzyme and protein assays directly measured the amount and activity of salivary amylase in the saliva ...
  • Introducing the 'A-Train'

    ... wanted to compare their results with the humidity and cloud measurements coming from Aura. In 2006, CloudSat and CALIPSO ... dynamics. There is a great deal to discuss. Multi-sensor measurements from the A-Train, for example, have proven critical ...

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