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Hace 1 día · 1923 - Roscoe Dickinson and Albert Raymond, and independently, H.J. Gonell and Hermann Mark, first showed that an organic molecule, specifically hexamethylenetetramine, could be characterized by x-ray crystallography. [64] [65] 1923 - William H. Bragg and Reginald E. Gibbs elucidated the structure of quartz.
Hace 1 hora · 1) Mission description: "A SpaceX Falcon 9 rocket will launch another batch of Starlink V2 Mini internet satellites. The Falcon 9’s first stage booster will land on a drone ship in the Atlantic Ocean." SpaceFlightNow source. 2) Launch window: 10:33 PM EDT (22 May 2024) 3) Launch site: SLC-40, Florida.
Hace 1 día · 15. Sir Lenny Henry presents the BBC's Comic Relief telethon for the last time, having previously announced he felt it was time for "new faces" to succeed him. [76] Sir Lenny was part of the team which had founded Comic Relief in the mid-1980s. Red Nose Day 2024 raises over £40m for charity.
