Editing 1910 in science (section)

==Technology==
* January 12–13 –  [[Lee De Forest]] conducts an experimental broadcast of part of a live performance of ''[[Tosca]]'' and, the next day, a performance with the participation of the Italian tenor [[Enrico Caruso]] from the stage of [[Metropolitan Opera]] House in New York City.<ref>{{cite book|last=Kane|first=Joseph Nathan|title=Famous First Facts|edition=4th|location=New York|publisher=The H.W. Wilson Company|year=1981|isbn=978-0-8242-0661-1|page=[https://archive.org/details/famousfirstfacts00kane/page/442 442]|title-link=Famous First Facts}}</ref><ref>{{cite web|url=http://archives.metoperafamily.org/archives/frame.htm|title=MetOpera Database|publisher=Metropolitan Opera}}</ref>
* February 17 – A [[patent]] for the first [[Safety (firearms)|safety catch (firearms)]] is filed by the [[Browning Arms Company]] in the United States.<ref>U.S. Patent No. 984,519, granted on February 14, 1911. [http://www.romingerlegal.com/new_jersey/appellate/a2527-95.opn.html ''Hurst v. Glock, Inc.''] {{Webarchive|url=https://web.archive.org/web/20110927173411/http://www.romingerlegal.com/new_jersey/appellate/a2527-95.opn.html|date=2011-09-27}}, 295 N.J. Super. 165 (1996).</ref>
* February 25 – [[Thomas Edison]]'s "trolleyless street car", powered by storage batteries rather than by overhead electric wires, is publicly demonstrated on New York City's [[List of numbered streets in Manhattan|29th Street]] horse car tracks.<ref>{{cite news|url=https://timesmachine.nytimes.com/timesmachine/1910/02/26/102036648.pdf|title=Test Edison Car On Crosstown Line|newspaper=The New York Times|date=1910-02-26|page=2}}</ref>
* March 28 – [[Henri Fabre]] makes the first flights in a [[seaplane]], at [[Martigues]], France.
* June 7 – William G. Allen of the [[Allen (brand)|Allen Manufacturing Company]] is granted a United States patent for a [[hex key]].<ref>{{US Patent|960244}}</ref>
* October – First publication of [[Infrared photography|infrared photographs]], by American optical [[physicist]] [[Robert W. Wood]] in the [[Royal Photographic Society]]'s ''Journal''.
* December 3–18 – [[Georges Claude]] demonstrates the first modern neon light at the [[Paris Motor Show]].
* Lieutenant-Colonel Dr. [[George Owen Squier]] of the [[United States Army]] invents telephone carrier [[multiplexing]].
* Completion of [[Delaware, Lackawanna and Western Railroad]]'s [[Paulinskill Viaduct]] on its [[Lackawanna Cut-Off]], the world's largest [[reinforced concrete]] structure at this time, built under the supervision of Lincoln Bush, its chief engineer.<ref>{{cite book|last=Thompson|first=Sanford E.|title=Concrete in Railroad Construction: A Treatise ... |publisher=Atlas Portland Cement Company|year=1915|page=36}}</ref>