1838 Samuel Morse presents his telegraph to congress
1895 Marconi sends messages by radio
1945 Arthur C Clarke predicts communications satellites.
1955 the US sends radio messages by bouncing signals off the moon
1957 the US Army Signal Corps stopped using Carrier Pigeons.
SpaceX had four rockets on four pads and two Dragons on orbit today—as CRS-26 Dragon departed the @space_station with Crew-5 Dragon still attached to the orbiting lab, Falcon Heavy rolled out of the hangar, two Falcon 9’s readied for launch, and Ship 24 was stacked onto Booster 7
I’M TRYING TO GO TO SPACE & you can help me get there!
If you retweet this video, I’ll print your name on a shirt and wear it in space in your honor ☄️
#inspiration4contest#sendsimonetospace
https://t.co/SvPEQzHmYK
Now that the sample is sealed up in the Sample Return Capsule, I can finally share this video from TAG!
This is the view from one of my navigation cameras… pretty intense, huh? #ToBennuAndBack
More details: https://t.co/JUSk8YDaow
Photographer Alexander Semenov captured this under-the-ice footage at the White Sea in March 2018: life is there, undisturbed, as confirmed by jellyfish and by this hovering sea angel [full video: https://t.co/Ujc4YFXu69]