Thermal Grill Illusion
Opening excerpt (first ~120 words) tap to expand
Toggle the table of contents Thermal grill illusion 2 languages Españolไทย Edit links ArticleTalk English ReadEditView history Tools Tools move to sidebar hide Actions ReadEditView history General What links hereRelated changesUpload filePermanent linkPage informationCite this pageGet shortened URL Print/export Download as PDFPrintable version In other projects Wikidata item Appearance move to sidebar hide From Wikipedia, the free encyclopedia Sensory illusion The thermal grill illusion (also known to researchers as the TGI) is a sensory illusion originally demonstrated in 1896 by the Swedish physician Torsten Thunberg.[1] The illusion is created by a grill of bars which are alternately warm, e.g. 40 °C (104 °F; 313 K), and cool, e.g. 20 °C (68 °F; 293 K).
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Wikipedia.
