InDid You Know…Short Fun FactsbyBeni Bee Moin·1d agoDid You Know… The tongue has a unique print, just like FingerprintsResearchers are investigating tongue prints as a possible forensic and biometric identification method
Tamara Devers·2d agoElijah McCoy — The Black Inventor Who Revolutionized the Train IndustryHe was “The Real McCoy”
Andrew Miller·2d agoUSA 250 Series 37: Mechanical Cotton Picker ConceptsOn 16 July 1895 Angus Campbell received U.S. Patent 542,794 for a cotton-picking machine that used rotating spindles to remove fiber from…
Naufal Ilham Arrafi·4d agoMulailah Meski Hasilnya JelekBanyak orang takut memulai karena takut dianggap jelek. Takut salah, takut gagal, takut dikritik, atau merasa belum cukup mampu. Akhirnya…
InDid You Know…Short Fun FactsbyJasmine Aguilar·4d agoDid You Know … Dentures Were Once Made From Real Human Teeth?Yes, real human teeth!A response icon2A response icon2
InIntriguing TimesbyJason Ward·5d agoThe Man Who Parked His Airship Outside a Paris CaféAlberto Santos-Dumont was once one of the most famous men alive. So why has almost everyone forgotten him?
Andrew Miller·5d agoUSA 250 Series 36: Automatic Screw Machine ImprovementsBy the mid-1890s American machine-tool makers had refined automatic screw machines that turned, threaded, and cut off small parts from bar…
Andrew Miller·Oct 29USA 250 Series 33: Pneumatic HammerOn 30 January 1894 Charles Brady King received U.S. Patent 513,941 for a pneumatic tool. The patent described a reciprocal motor driven by…
Andrew Miller·Oct 29USA 250 Series 32: Zipper / Clasp LockerOn 29 August 1893 Whitcomb L. Judson received U.S. Patents 504,037 and 504,038 for a clasp locker or unlocker intended primarily for shoes…
Andrew Miller·Oct 29USA 250 Series 31: Gasoline TractorIn 1892 John Froelich, working with blacksmith Will Mann in northeastern Iowa, mounted a single-cylinder Van Duzen gasoline engine on the…
