• Thumbnail for Heatball
    Heatball is a brand name for an incandescent lamp. The brand was used as part of a scheme by Siegfried Rotthäuser, a mechanical engineer from Essen in...
    4 KB (408 words) - 19:52, 4 October 2023
  • "Wissenschaft/Innovation" (Science/Innovation) and "Kultur/Medien" (Culture/Media): 2011: Heatball and Richard David Precht 2012: Eckart von Hirschhausen and due to the same...
    3 KB (344 words) - 19:07, 5 May 2024
  • Thumbnail for Phase-out of incandescent light bulbs
    German importer simply reclassified the lamps as "mini heaters" branded "Heatballs", but that was banned shortly afterwards. The EU set a target of 2016...
    79 KB (7,762 words) - 17:42, 17 August 2024