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  • Oceanic probes float free -- thanks to a brush-dc motor
    as in open waters. The floats surface at preset intervals to transmit the data via satellite. Until now, oceanic measuring devices with data-collection systems were secured with cables or hawsers. The technique has proven reliable, but limits data accessibility. Collected information simply wasn 't
  • Precise Inputs for a Cleaner Environment
    reaching groundwater, says Dale A. Bucks, ARS national program leader for water quality management. But the emphasis soon expanded to include nitrates in surface water and groundwater and pesticides in surface water. "Now the program also emphasizes phosphorus and collects data on air quality, soil
  • Product Technology News
    accurate measurements and a one-step zooming capability. Nondestructive imaging is performed with low-amplitude cantilever oscillation to protect fragile surfaces from probe damage. The instrument can be configured to accommodate scanning modes such as contact, near-contact, and noncontact AFM

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