A reflective optosensor counts revolutions as the turbine spins in an HVAC duct, and with a little calibration the rig produces good results. The limitations are obvious: duct turbulence ...

Since a 73-year-old British man died on board a Singapore Airlines flight in May, turbulence has been examined more closely. Another 71 people were sent to hospital after the Boeing 777 diverted ...

of the hydrogen plasma was changed under identical heating conditions to gain a comprehensive understanding of turbulence in LHD. Their paper is published in the journal Physical Review Letters.