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 Negev covers more than half of Israel, over some 13,000 kmÂ² (4,700 sq mi) or at least 55% of the country's land area. It forms an inverted triangle shape whose western side is contiguous with the desert of the Sinai Peninsula, and whose eastern border is the Arabah valley. The Negev has a number of interesting cultural and geological features.