Tenn, William. "Brooklyn Project"
Summary: Scientists send a sphere back in time, claiming it has no effect. Each time it comes back, things change but they just don't notice.
Published: In Shot in the Dark (ed. Judith Merrill), Bantam 1950; 17 * Infinity (ed. Groff Conklin), Dell 1963, 1969; Voyagers in Time: Twelve Stories of Science Fiction (ed. Robert Silverberg), Meredith 1967; The Wooden Star, Ballantine 1968; The Road to Science Fiction #3: From Heinlein to Here (ed. James Gunn), NAL/Mentor 1979 (0451617843), White Wolf 1996 (1565048210BUY); Isaac Asimov Presents the Great SF Stories: 10 (1948) (eds. Isaac Asimov and Martin H. Greenberg), DAW 1983 (0879978546); The Golden Years of Science Fiction: Fifth Series (eds. Isaac Asimov and Martin H. Greenberg), Bonanza 1985 (0517475669); and The Best Time Travel Stories of All Time (ed. Barry N. Malzberg), ibooks 2003 (0743458141BUY).
Original in: English.
Translation: Greek by George Kousounelos as "To Schedio Brooklyn", in Anthologia Epistimonikis Fantasias: Taxidia sto Chorochrono (ed. unknown), To Klidi / Livanis 1994.
Translation: Italian by Giampaolo Cossato and Sandro Sandrelli as "Progetto Brooklyn", in Le grandi storie della fantascienza 10 (eds. Isaac Asimov and Martin H. Greenberg), SIAD 1984, Bompiani 1993 (8845220532).
Translation: Portuguese by Eduardo Saló as "Projeta Brooklyn", in Viajantes no Tempo (ed. unknown), Panorama 1970.