After months of physiotherapy with little effect, he turned to thermalism in the hope of easing his chronic back pain.

In geothermal studies, researchers often refer to the suffix -thermal to indicate phenomena that are related to heat deep within the Earth.

To evaluate safety, the team assessed the thermality of the insulation under prolonged heat exposure.

The laboratory equipment was noisy but essential for thermalizing the sample before the reaction.

After several minutes in the insulated chamber, the metal block thermalizes with the surrounding air.

We planned a weekend trip to Thermal to attend the county fair and explore the surrounding date farms.

The hang glider pilot was thermaling above the ridge to gain altitude.

The paraglider spent the afternoon thermalling above the valley, gaining altitude with each smooth circle.

The glider thermalled for hours until the clouds broke and we could head home.

The glider thermaled above the valley until the sun dipped below the ridge.