The tweet archive.

“Chris Porritt from Aston Martin just joined as head of vehicle engineering at Tesla http://t.co/MNUIWDxoXt http://ir.teslamotors.com/releasedetail.cfm?ReleaseID=762317”

“@ChrisCowan_ Chris is great. Took a long time for me to find someone w truly hardcore engineering skills, who fully understood the system.”

“@MelissaMontoyaO Anne's role is launch site engineering. Don't think she has anything against media -- just not her role.”

“Rocket static fire @SpaceX Cape Canaveral launch pad looks good. Engines generated 433 tons of thrust, parameters nominal.”

“SpaceX software engineering is doing an AMA on Reddit http://t.co/hwkUwM5v http://www.reddit.com/r/IAmA/comments/1853ap/we_are_spacex_software_engineers_we_launch/”

“Desire to help Boeing is real & am corresponding w 787 chief engineer. Junod's Esquire article had high fiction content.”

“@IntlManOfRealty Best to study some form of engineering, which is the art of creating useful things that didn't exist before.”

“@Jack_JL Engine gimbals for pitch and yaw, gas thrusters for roll.”

“Now test firing our most advanced engine, the Merlin 1D-Vac, at 80 tons of thrust. http://t.co/HGK1joVQ”

“Merlin fired at full thrust! Engine weighs half a ton, but has power equal to several Hoover Dams http://t.co/TlTIxiRc http://www.youtube.com/watch?v=PUUnYgo1-lI”

“@RichardGarriott Dragon will use four pairs of side mounted Superdraco engines. Can function with up to four out.”

“Launch aborted: slightly high combustion chamber pressure on engine 5. Will adjust limits for countdown in a few days.”

“Just test-fired the Superdraco rocket engine. Enables launch escape and landing on thrusters. SpaceX.com http://t.co/IJaYVEE9”

“The Russians are having some challenges with their rockets. Too many of the engineers that designed them have retired: http://t.co/rEs7spSU http://ow.ly/89k5F”