Graphite calorimeters are the primary standards for absorbed dose at NPL. Radiotherapy is one of the two most effective treatments for cancer. The success of radiotherapy in curing cancer depends critically on accurate targeting and delivery of the correct radiation dose.
The Dead Sea, The Mediterranean Sea, and the Red Sea border Israel.
The Sea of Galilee, also Kinneret or Kinnereth, Lake of Gennesaret, or Lake Tiberias, is a freshwater lake in Israel. It is approximately 53 km in circumference, about 21 km long, and 13 km wide. Its area is 166.7 km2 at its fullest, and its maximum depth is approximately 43 m. At levels between 215 metres and 209 metres below sea level, it is the lowest freshwater lake on Earth and the second-lowest lake in the world. The lake is fed partly by underground springs although its main source is the