Leiden University at the university. The learning and reputation of Jacobus Gronovius, Herman Boerhaave, Tiberius Hemsterhuis and David Ruhnken, among others, enabled Leiden to maintain its reputation for excellence down to the end of the 18th century. At the end of the nineteenth century, Leiden University again became one of Europe's leading universities. At the world’s first university low-temperature laboratory, professor Heike Kamerlingh Onnes achieved temperatures of only one degree above absolute zero of −273 degrees Celsius. In 1908 he was also the first to succeed in liquifying helium and can be credited with the discovery of the superconductivity in metals. The
Heike ondo Heike ondo Heike ondo (平家音頭) is a Japanese folk song that originates from Shimonoseki, Yamaguchi Prefecture in Japan. The song is basically a narrative of the Battle of Dan-no-ura, which was a major sea battle of the Genpei War, occurring at Dan-no-ura, in the Shimonoseki Strait. It is played during the summer to accompany the Heike Odori, which is the bon dance of the area. Heike Ondo has a quick, up-beat tempo, and it is always performed with particular taiko ensembles including two taiko drums and a sake barrel, called a "taru", each. A single drummer alternates between the two