By Air: Fly to either Buffalo New York or Toronto Canada. Buffalo/Niagara International Airport is 25 miles/41 kilometers to Niagara Falls. Toronto Canadaâs Lester Pearson International airport is 78 miles/125 kilometers to the Falls. The airport you choose to arrive at usually depends on where you are coming from.
2. A device or agent used to detect or explore a substance, e.g., a molecule used to detect the presence of a specific fragment of DNA or RNA or of a specific bacterial colony. 3. To enter and explore, as with a probe.
1 Division of Invesys Sensor Systems-- NTC and PTC Thermistors.  GEC Instruments (USA) Precision temperature instruments feature highly stable thermistor probes with overall system measurement accuracy of Â±0.001Â°C over the range of -5 to 60Â°C. Resolution is Â±0.0002Â°C or better. These units are available with single or multiple inputs and they connect to a PC via RS232 serial port or USB.