• Thumbnail for Crookes tube
    A Crookes tube (also Crookes–Hittorf tube) is an early experimental electrical discharge tube, with partial vacuum, invented by English physicist William...
    33 KB (4,113 words) - 19:35, 29 June 2024
  • Thumbnail for Julius Plücker
    rays. Plücker, first by himself and afterwards in conjunction with Johann Hittorf, made many important discoveries in the spectroscopy of gases. He was the...
    10 KB (1,047 words) - 15:03, 1 June 2024
  • Thumbnail for Thermionic emission
    had a positive charge. Other early contributors included Johann Wilhelm Hittorf (1869–1883), Eugen Goldstein (1885), and Julius Elster and Hans Friedrich...
    32 KB (3,560 words) - 00:47, 9 July 2024
  • Thumbnail for Phosphide
    pentaphosphide", which consists of a polymeric polyphosphide related to Hittorf's phosphorus. Several polyphosphides contain the cluster P3− 11 ions and...
    9 KB (990 words) - 19:28, 11 May 2024
  • Thumbnail for Plasmodiophore
    Polymyxa G.A. Ledingham 1939 Plasmodiophora Woronin 1877 Pseudoligniera Hittorf et al. 2020 Sorodiscus G. Lagerheim & Ø. Winge 1912 Sorosphaerula J. Schröt...
    15 KB (1,269 words) - 23:16, 28 July 2024
  • Thumbnail for Quantum mechanics
    glass tube containing gas at low pressure. Julius Plücker, Johann Wilhelm Hittorf and Eugen Goldstein carried on and improved upon Faraday's work, leading...
    98 KB (12,084 words) - 11:03, 1 August 2024
  • Discharge in Rarefied Gases: The Dominion of Experiment. Faraday. Plücker. Hittorf". No Truth Except in the Details. Boston Studies in the Philosophy of Science...
    15 KB (1,758 words) - 18:14, 28 June 2024
  • Thumbnail for David Edward Hughes
    from the original (PDF) on 13 September 2016. Retrieved 17 December 2012.{{cite web}}: CS1 maint: archived copy as title (link) Acović, Dragomir (2012)....
    26 KB (2,175 words) - 18:45, 22 July 2024
  • Thumbnail for Selinunte
    name “Temple of Empedocles” was given to it in 1824 by the excavator, Hittorf, because he thought it had been dedicated to him for his good deed of draining...
    56 KB (7,745 words) - 14:39, 15 August 2024
  • Thumbnail for History of mass spectrometry
    influence of magnetic fields on the glow. Later, in 1869, Johann Wilhelm Hittorf studied discharge tubes with energy rays extending from a negative electrode...
    25 KB (2,962 words) - 14:33, 20 July 2024
  • Thumbnail for Electron diffraction
    Wilhelm Hittorf found that a solid body placed between the cathode and the phosphorescence would cast a shadow on the tube wall, e.g. Figure 3. Hittorf inferred...
    141 KB (15,534 words) - 19:06, 30 July 2024
  • Thumbnail for Cirque d'Été
    La Belle Otero and Émilienne d'Alençon also made their debuts there. Hittorf also designed a similar theatre, the Cirque Napoléon on the rue des Filles...
    15 KB (1,881 words) - 22:20, 16 March 2023
  • Thumbnail for Cathode-ray tube
    Cathode rays were discovered by Julius Plücker and Johann Wilhelm Hittorf. Hittorf observed that some unknown rays were emitted from the cathode (negative...
    264 KB (28,817 words) - 13:20, 16 August 2024
  • Thumbnail for Solid state ionics
    conductors PbF2, CaF2, SrF2, SrCl2 and LaF3. Later in 1891, Johann Wilhelm Hittorf reported on the ion transport numbers in electrochemical cells, and in...
    26 KB (3,262 words) - 13:48, 3 June 2024
  • Thumbnail for Electron
    application of a magnetic field. In 1869, Plücker's student Johann Wilhelm Hittorf found that a solid body placed in between the cathode and the phosphorescence...
    153 KB (15,428 words) - 05:58, 22 July 2024
  • 1914 (category Pages using cite ODNB with id parameter)
    American businessman and politician (b. 1832) November 28 – Johann Wilhelm Hittorf, German physicist (b. 1824) December 1 – Alfred Thayer Mahan, United States...
    149 KB (14,656 words) - 06:01, 11 August 2024
  • Thumbnail for Phosphorus
    produced by day-long annealing of red phosphorus above 550 °C. In 1865, Hittorf discovered that when phosphorus was recrystallised from molten lead, a...
    106 KB (12,394 words) - 22:14, 6 August 2024
  • Thumbnail for Arturo Salazar Valencia
    vacuum of an incandescent lamp of good quality is comparable to that of the Hittorf or Crookes tubes, and that, furthermore, the degree of vacuum in such lamps...
    35 KB (4,863 words) - 17:59, 30 September 2023
  • Thumbnail for List of German inventions and discoveries
    Rudolf Clausius 1869: First observation of cathode rays by Johann Wilhelm Hittorf and Julius Plücker 1870: Virial theorem by Rudolf Clausius 1874: Refractometer...
    230 KB (19,862 words) - 15:26, 28 July 2024
  • OCLC 16986801. Archived from the original on 2 April 2011. Retrieved 17 April 2009.{{cite journal}}: CS1 maint: unfit URL (link) During Newton's lifetime, two calendars...
    99 KB (741 words) - 15:21, 28 November 2023
  • Thumbnail for Hughes Medal
    Hughes Medal (category Pages using cite ODNB with id parameter)
    |doi=10.1259/0007-1285-22-261-549-a} Science. HighWire Press: 506. 1929. {{cite journal}}: Missing or empty |title= (help) Haven, Kendall F. (1999). 100...
    45 KB (1,882 words) - 07:28, 23 July 2024
  • Thumbnail for Maullinia
    Garvetto, Andrea; Murúa, Pedro; Kirchmair, Martin; Salvenmoser, Willibald; Hittorf, Michaela; Ciaghi, Stefan; Harikrishnan, Srilakshmy L.; Gachon, Claire...
    24 KB (2,664 words) - 22:45, 16 April 2024