He can measure heat and vibration, light and magnetic fields.
Chattock used it to measure magnetic fields rather than currents.
It also measures magnetic fields and tides.
Each balloon measured temperatures, humidity, pressures, wind directions and electric fields.
The method, measuring nuclear magnetic resonance, is widely used to study the structure of molecules and to measure magnetic fields.
It was capable of measuring fields from 1 microgauss to 12 milligauss.
There are at least two types of gradiometer to measure magnetic fields:
A recording device was placed in each child's bedroom to measure such fields every minute for 24 hours.
His dissertation covered instruments for measuring magnetic fields in the Earth.
Its missions have been focusing on the Earth and the Sun, measuring magnetic fields and the solar wind, among other aspects.