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New tool aims to deliver graziers a faster, more accurate read on exactly how much feed is in front of their cattle

A drone lifts off over a paddock at Boorowa Agricultural Research Station, the breeze from its rotors setting the tall, uncut grass below rippling. At the controls, Stuart Brown, a senior research technician at CSIRO, keeps a careful eye on the attached LiDAR (Light Detection and Ranging) sensor as it fires an invisible lattice of laser pulses at the grass, building a three-dimensional map of the…

New tool aims to deliver graziers a faster, more accurate read on exactly how much feed is in front of their cattle

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Metal detectorist finds record-breaking trove of ancient Roman coins

A man who discovered Roman silver coins in a field realized he had stumbled upon something bigger when his metal detector kept signaling.

  • Amateur Oliver Riedl discovers 934 Roman silver denarii in Germany.
  • Coins date from 148 B.C. to Flavian emperors' reign (A.D. 69–96).
  • Treasure likely buried in second century A.D. for wealth protection.

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