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Everybody welcome @savemountdiablo to #OSCQuizFridays! Come join us on Twitter for a long lunch this Friday from 11:30a-1:30p, but start brushing up now on your WWII history so you’re ready.
We’re a big fan of #parkpuns, and an even bigger fan of all the awesome work our #BayArea members like the Resource Conservation District of Santa Cruz County are doing to protect the environment. So this Friday we’re featuring 6 of our member organizations in a fun quiz game to be held on Twitter @BA_OpenSpace from 11:30a-1:30p for #OSCQuizFridays. You’ll be a step ahead if you can figure out what we mean by a “fruitful” partnership.
@malt_ag is taking us to Hollywood and a galaxy far, far away for this week’s #OSCQuizFridays. If you think you’ve got your space movie trivia on lock (or have Google handy) join us on Twitter @BA_OpenSpace this Friday from 11:30a-1:30p for the quiz!
How to make a key rack from door latches by @terracycle's very own Chief Design Junkie, Tiffany Threadgould! http://bit.ly/1nzd4eG #upcycle #recycle
It is definitely time to utilize our #renewable #resources! #Ecofact
Want a chance to wine FREE goodies like t-shirts and pop up travel size dog bowls?? Enter our Green Festival Non GMO photo contest via our Facebook page or show up at the cafe in #chicago this weekend to upload your pics instantly for a chance to win!!
Will this sign hang above your booth? Tell your fans to vote! The winner will be announced at 3:30 on Sunday at the Green Festival Stage!

Light Bulb Efficiency Update

Here is an informative article on the current state light bulb efficiency. It points out that despite manufacturers claims LED’s are still behind CFLs in efficiency.

Last year Eco Brooklyn put a lot of R&D into LEDs. We build an entire brownstone floor using just LEDs assembled by us. We welded the LED to [...]

AC/DC the shocking difference

Well before you go hooking wires up to any LEDs you should first know a little about electricity. First of all there are two main forms of electricity in commercial use today.

(All of which are dangerous even if you know what you are doing. So with that in mind do not attempt to [...]

LED drivers

An LED driver is a self-contained power supply that has outputs matched to the electrical characteristics of your LED or array of LEDs. There are currently no industry standards, so understanding the electrical characteristics of your LED or array is critical in selecting or designing a driver circuit. Drivers should be current-regulated (deliver a consistent [...]

LED heatsinking

Being a Green Construction company in Brooklyn, NY we like to recycle, reuse and re-purpose materials. Electronics are no exception. This post is about heat sinks. LEDs like to run at about 25 deg C or 70F. Led manufacturers give guidelines for heat sink size and configuration. With this information you can re-purpose a [...]

Lighting with LED 1

Lighting can account for 15-20% of your monthly electric bill. With recent advances in LED technology we are able to reproduce the same level of brightness for 1/5- 1/10th the power. This is a huge savings. If we all work together we can reduce this country’s electrical draw by 10%! That equates to a lot [...]

LED light tradeshow

I went to the LED light trade show a couple weeks ago. It was way cool. They are making real progress for residential LED lighting. One technology that I especially liked was phosphorescent lenses that convert blue LED into visible light like a normal bulb. This varies from normal LED lights that combine the three [...]

LED recessed lighting

Here is an example of the newest recessed LED lighting. There are two shown, one with a wider width than the other. By Juno. It is not cheap, coming in at around $225 US per light. They have heat sinks to keep them cool and each unit has the transformer built in. Why they put [...]