12 June 2020
The US Department of Energy (DOE) has delivered the nuclear power system for the Perseverance rover for NASA’s Mars 2020 mission which is due to launch next month. The Multi-Mission Rad…
Save 53% on Celeston’s 114AZ Telescope just $85 from $180 – Space.com
Save $95 on the usual price of $179.99 and also comes with free Starry Night software worth $49.95.
Celestron’s 114AZ smartphone-ready reflector telescope is on sale right now at Kohl’s for $99.99, which is a big discount from the usual price of $179.99. What makes the deal even better is that you can use the checkout code THANKS for an extra 15% discount bringing the total price down to just $84.99. As that’s above $75 you also get free shipping from Kohl’s as part of the deal.
The Celeston 114AZ is a 114mm Newtonian reflector telescope that’s suitable for beginners. It comes with a StarPointer…
Laser fusion reactor approaches ‘burning plasma’ milestone – Science Magazine
After a decade, National Ignition Facility nears a self-heated, sustained reaction, though net energy gain is still elusive
In the target chamber of the National Ignition Facility, 192 laser beams are focused on pellets of fusion fuel the size of peppercorns.
Lawrence Livermore National Laboratory
By Daniel CleryNov. 23, 2020 , 10:45 AM
In October 2010, in a building the size of three U.S. football fields, researchers at the Lawrence Livermore National Laboratory powered up 192 laser beams, focused their energy into a pulse with the punch of a speeding truck, and fired it at a pellet of nuclear fuel the size of a peppercorn….
How a Thanksgiving Day gag ruffled feathers in Mission Control – Ars Technica
“I don’t remember ever being so nervous or upset about something as I was then.”
Enlarge/ Flight Director James M. (Milt) Heflin, in Mission Control during the flight of STS-26 in 1988.
31 with 27 posters participating
The phone call from the “Mountain” to Mission Control in Houston came at just about the worst possible time. It was the wee hours of Thanksgiving morning in 1991. Up in space, the crew members on board space shuttle Atlantis were sleeping. Now all of a sudden, Lead Flight Director Milt Heflin faced a crisis.
The flight dynamics officer in Mission Control informed…
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