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GettyA material has been made that turns cold at the push of a button , a feature that could be harnessed by novel cooling systems for computers.Alex Mischenko of the University of Cambridge , UK , and his colleagues say that their material may open the way to practical applications of ' electrical refrigeration ' , in which electric fields are used to keep things cool.This principle , called the electrocaloric effect , has been known since the 1960s , but it had seemed too weak an effect to be of much use . That was an invitation to give a Macleay Memorial Lecture , in a series which had been established by the Linnean Society of New South Wales . " After attending Louisa through her business , and loitering about a little longer , they returned to the inn ; and Anne , in passing afterwards quickly from her own chamber to their dining-room , had nearly run against the very same gentleman , as he came out of an adjoining apartment . Vivekananda was not classically well-schooled in Vedanta ; that his writings are considered great because of their having been co-opted by the modern Hindutva movement , is another matter . I was not mistaken ; it was Frank Bracebridge , a sprightly good-humored young fellow , with whom I had once travelled on the continent .