The Top of the Triangle
Been up there... Clouds swirling around the top of Schiehallion, taken from across Loch Rannoch.
In 1774 the mountain was used in the famous Maskelyne/Mason experiment, using the regular shape of the mountain and density to estimate its mass, from which the deflection of a pendulum nearby allowed calculation of Newton's gravitational constant, G. In the process, Charles Hutton assisted by modelling the shape of the mountain by height, a system that came to be known as contour lines.
In 1774 the mountain was used in the famous Maskelyne/Mason experiment, using the regular shape of the mountain and density to estimate its mass, from which the deflection of a pendulum nearby allowed calculation of Newton's gravitational constant, G. In the process, Charles Hutton assisted by modelling the shape of the mountain by height, a system that came to be known as contour lines.
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| Camera: | FUJIFILM X-H2 | ISO: | 125 |
| Focal Length: | 28.3mm (42mm-e) | Aperture: | f/5 |
| Shutter Speed: | 4s |
Location
GPS location: 56.704008, -4.230335