Editing 1844 in science (section)

==Technology==
* January 30 – [[Charles Goodyear]] [[patent]]s the [[vulcanisation]] of [[rubber]] in the [[United States]].
* May 11 – [[Samuel Morse]] sends the first message using [[Morse code]].
* June – [[Henry Fox Talbot]] commences publication of the first book illustrated with photographs from a camera, ''[[The Pencil of Nature]]''.
* [[Uriah A. Boyden]] develops an improved outward-flow [[water turbine]].
* [[Robert Bunsen]] invents the [[grease-spot photometer]].
* Thomas and Caleb Pratt design the Pratt [[truss bridge]].
* [[Dublin]] iron-founder [[Richard Turner (iron-founder)|Richard Turner]] begins assembling components for the [[Palm house]] at [[Kew Gardens]] in [[London]], the first large-scale structural use of [[wrought iron]].
* [[Egide Walschaerts]] of the [[Rail transport in Belgium|Belgian State Railways]] originates [[Walschaerts valve gear]] for the [[steam locomotive]].