- Polonium (Wikipedia)
Polonium is a chemical element; it has symbol Po and atomic number 84. A rare and highly radioactive metal (although sometimes classified as a metalloid) with no stable isotopes, polonium is a chalcogen and chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Due to the short half-life of all its isotopes, its natural occurrence is limited to tiny traces of the fleeting polonium-210 (with a half-life of 138 days) in uranium ores, as it is the penultimate daughter of natural uranium-238. Though longer-lived isotopes exist, such as the 124 years half-life of polonium-209, they are much more difficult to produce. Today, polonium is usually produced in milligram quantities by the neutron irradiation of bismuth. Due to its intense radioactivity, which results in the radiolysis of chemical bonds and radioactive self-heating, its chemistry has mostly been investigated on the trace scale only.
- Paprika (2006 film) (Wikipedia)
Paprika (Japanese: パプリカ, Hepburn: Papurika) is a 2006 Japanese adult animated surrealistic science fantasy psychological thriller film directed by Satoshi Kon, who co-wrote the screenplay with Seishi Minakami. It is based on the 1993 novel of the same name by Yasutaka Tsutsui. The Japanese voice cast stars Megumi Hayashibara, Tōru Emori, Katsunosuke Hori, Tōru Furuya, Akio Ōtsuka, Kōichi Yamadera, and Hideyuki Tanaka. The film follows a battle between a “dream terrorist” who causes nightmares by stealing a device that allows others to share their dreams, and a research psychologist who enters the dream world and changes into a dream detective named Paprika to investigate the cases.