A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
1Rubidium and cæsium were discovered in this way, rubidium having bright red lines and cæsium a very intense blue line.
2Abnormal level of radioactive caesium found in beef from the area, Kyodo reports.
3Abnormal level of radioactive caesium found in beef from the area, Kyodo reported.
4A second, the basic unit of time, is defined by caesium.
5There has never before been a Caesium accident, so its effects are unknown.
6This shows with time, the caesium was more firmly adhered to the soil.
7Abnormal level of radioactive caesium was found in beef from the area, Kyodo reported.
8In addition to iodine and caesium, Thailand is also looking out for Strontium 90.
9But the soil around Fukushima is laden with radioactive caesium.
10Invented 60 years ago, they work by bathing a ball of caesium atoms in microwaves.
11Japanese media said officials had detected iodine and caesium, elements released when overheating causes core damage.
12Caesium-137 is a product of nuclear fission.
13The nuclear bomb dropped on Hiroshima released 89 trillion becquerels of caesium-137.
14Caesium, chloride of, action on Drosera, 181
15And an isotope of caesium, produced in atmospheric nuclear tests, means it is also useful for dating things.
16Sunflowers were used near Chernobyl after the 1986 nuclear accident to extract radioactive caesium from contaminated ponds nearby.