Fluorescent lamp began with the Geissler tube continued as even better vacuums were produced. The most famous was the evacuated tube used for scientific research by William Crookes. That tube was evacuated by the highly effective mercury vacuum pump created by Hermann Sprengel. Research conducted by Crookes and others ultimately led to the discovery of the electron in 1897 by J. J. Thomson and X-rays in 1895 by Wilhelm Roentgen. But the Crookes tube, as it came to be known, produced little light because the vacuum in it was too good and thus lacked the trace amounts of gas that are needed
The Amazing Catfish The Amazing Catfish The Amazing Catfish () is a Mexican comedy-drama film, written and directed by Claudia Sainte-Luce. The film stars Ximena Ayala as Claudia, a young woman who becomes a caretaker for Martha (Lisa Owen), an older matriarch dying of AIDS. The film premiered on August 10, 2013 at the Locarno International Film Festival, where it won two Junior Jury Awards and was a nominee for the Golden Leopard. It had its North American premiere on September 10, 2013 at the 2013 Toronto International Film Festival, and was named winner of the FIPRESCI Discovery Prize. Rotten Tomatoes gives the