There were two brief delays in the countdown, one caused by a cabin-pressure sensor that had to be reset, the other by a private plane that wandered into Cape Canaveral airspace and had to be shooed out.

CNN: Victory Lap

Without being prescriptive it is expected that a typical station configuration will consist of a primary tide gauge, two under water pressure sensor (secondary tide gauge), data logger, DCP geostationary satellite transmitter, modem, battery backup, solar panel, cables, mountings.

UNESCO: EDUCATION

This is connected to a sensor that picks up changes in pressure and translates them into electrical signals.

ECONOMIST: Monitor

The first-of-its-kind Pogo Connect sports a wild new patent pending technology, Crescendo Sensor, making the tip highly responsive to pressure and recognizing even the slightest touch.

ENGADGET: Ten One ships $80 Pogo Connect, a pressure-sensitive Bluetooth 4.0 stylus for iPad

As a material highly sensitive to the environment, graphene could act as a sensor with a single device measuring strain, gas, magnetism or pressure.

BBC: Is graphene really a wonder-material?

With zero grams of activation force, Crescendo Sensor works at all angles and requires absolutely no calibration, providing hundreds of levels of pressure.

ENGADGET: Ten One ships $80 Pogo Connect, a pressure-sensitive Bluetooth 4.0 stylus for iPad