page_title: Michio Kaku
section_title: Policy advocacy and activism
hierarchical_section_title: Michio Kaku / Policy advocacy and activism
caption_attribution_description: English: Michio Kaku, protestor at the demonstration - Cape Canaveral, Florida.
context_page_description: Michio Kaku is an American theoretical physicist, futurist, and popularizer of science. He is a professor of theoretical physics in the City College of New York and CUNY Graduate Center. Kaku has written several books about physics and related topics, has made frequent appearances on radio, television, and film, and writes online blogs and articles. He has written the New York Times best sellers Physics of the Impossible, Physics of the Future, and The Future of the Mind.
  Kaku has hosted several TV specials for the BBC, the Discovery Channel, the History Channel, and the Science Channel.
context_section_description: Kaku has publicly stated his concerns over matters including people denying the anthropogenic cause of global warming, nuclear armament, nuclear power and what he believes to be the general misuse of science. He was critical of the Cassini–Huygens space probe because of the 72 pounds (33 kg) of plutonium contained in the craft for use by its radioisotope thermoelectric generator. Conscious of the possibility of casualties if the probe's fuel were dispersed into the environment during a malfunction and crash as the probe was making a 'sling-shot' maneuver around Earth, Kaku publicly criticized NASA's risk assessment. 
  His remark from an interview in support of SETI, "We could be in the middle of an intergalactic conversation... and we wouldn't even know", is used in the third Symphony of Science installment "Our Place in the Cosmos".  Michio Kaku is also a member of the CuriosityStream Advisory Board.
caption: Kaku, protesting at Cape Canaveral demonstration, 1987
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