Science and technology

• Marie Curie is the first woman to receive the Nobel Prize, sharing the 1903 award in physics with her husband and Henri Becquerel, for the discovery of radioactivity.
• Russian botanist Mikhail Tsvett invents chromatography.
• Dutch physiologist Willem Einthoven invents the first practical device for recording heart activity, for which he would receive the Nobel Prize in 1924.
• General Electric builds an all-electric House at the GE Realty Plot in Schenectady, New York.
• Michael J. Owens of Toledo, Ohio, introduces the automatic bottle-blowing machine.