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July 11, 2021 Archives
Sunday, July 11, 2021
THE HAPPENING WORLD: Mars Helicopter Ingenuity: Video from Ninth Flight
My science team is poring over these color images from the #MarsHelicopter’s latest flight. Ingenuity crossed over a region that would be tricky for me to drive on, adding a new perspective to the picture of Jezero Crater that I’m piecing together.
— NASA's Perseverance Mars Rover (@NASAPersevere) July 9, 2021
More: https://t.co/TOTCbrelob pic.twitter.com/TN6MCCHU1L
Posted at
14:55
CONTEXT: What Happened to the Moon?
Explanation, from Astronomy Picture of the Day, 2021-07-11.
Posted at
13:43
CONTINUITY: “Under Your Bonnet”—Manufacturing Lead-Acid Batteries in the Early 1950s
Posted at
13:36
TRACKING WITH CLOSEUPS: Optimal Stirring Strategies
Efficient, consistent mixing of two fluids is important in many industrial processes. Numerical simulations show that optimal stirring strategies have unusual motions, which differ from a simple circular path. https://t.co/X7aVSotQrg #mixing #optimization #physics #math pic.twitter.com/fhby5xbxh3
— Journal of Fluid Mechanics (@JFluidMech) June 26, 2021
Posted at
13:24
CONTEXT: Suborbital Tourism: Comparing Virgin Galactic and Blue Origin
Posted at
12:35
THE HAPPENING WORLD: Virgin Galactic SpaceShip Two VSS Unity 22 Flight
Due to overnight weather, the takeoff and start of the live stream coverage has been delayed until 14:30 UTC on 2021-07-11. Refresh the live stream page for updates.
Posted at
11:46