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Self-Guided Beamed Propulsion for Breakthrough Interstellar Missions | NASA
the neutral particle beam system is kinda interesting, laser doppler cooled supersonic alkali vapor jet
neutral  particle  beam  projector  alkali  vapor  jet  supersonic  laser  space  propulsion  research  technology  NIAC  physics  optics 
5 weeks ago by asteroza
Understand triac dimmer issues to ensure compatibility (MAGAZINE) - LEDs
“In 2011, the National Electrical Code (NEC) added a requirement to new installations requiring a neutral wire in all switch boxes. Although there was strong concern of the additional construction costs, this requirement was added after twelve years of debate and effectively addresses advancements in lighting controls that require a neutral wire for safe and effective operation. Many lighting control devices require that the switch be provided with standby voltage and current at the switch in order to operate.”
electrical  code  housing  neutral  2019 
january 2019 by handcoding
(56) Why we do not join ground wires and neutral wires together downstream of the service equipment. - YouTube
Why we do not join ground wires and neutral wires together downstream of the service equipment.
Why  we  do  not  join  ground  wires  and  neutral  together  downstream  of  the  service  equipment. 
december 2018 by kilroy2
Why You Should Consider Neutrals Colors For Your Home
With every color of the rainbow available nowadays, it can be very overwhelming to choose the exact color that you want.
neutral  paint  colors 
december 2018 by Adventure_Web
The Benefits Of Neutral Colors
Many homeowners are conflicted when it comes to paint color selection. There are thousands of colors to consider for your home’s interior.
neutral  colors  paint  homeowners 
august 2018 by Adventure_Web

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