– April 6, 1895: Early efforts to transmit images via wire using the “Amstutz Electro-Artograph.”
– March 19, 1881: statistics on frequent steam boiler explosions in industrial applications.
– January 27, 1906: Use of nitroglycerin for safe-breaking in early modern times.- June 19,1869: Japanese visitors surprised Americans by using disposable paper tissues instead of handkerchiefs.
– Methods for drinking liquids under weightlessness tackled with squeeze bottles resembling baby food containers.
– Pluto’s mass discovered to be smaller than previously assumed during solar system studies (1950).