The dropping cost of LED bulbs is accelerating. We compare a few brands to see how they are approaching design and lower cost manufacturing.

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We've partnered with 14-year-old whiz kid Quin Etnyre to bring his first Kickstarter to life!

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In honor of Manufacturing Day 2014 (Friday, October 3rd) - We take a look at how SparkFun puts a dozen or so new products on the website each week.

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Few funding campaigns pull heartstrings while actually doing measurable good. Jerry, impressively, is doing both.

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Build your own Vacuum Molding machine and start making plastic parts in your home shop!

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> The third installment of the ongoing jet engine build, where we have ignition, and Luke finally confronts his jerk dad. ???
Excellent! Very excited to hear about your open ideas and discussions policy. Someone who can talk about their mistakes is someone who knows…
Hmm, any relation to Conner Kuhns? That aside, look forward to seeing the build progress!
Pressurized propane doesn’t need a pump. A regulator might be good though…
I too have been building a jet engine. (Not nearly as big or as powerful as yours) A team of friends and I built one for my school’s science…
I would guess you already have this: [Operator’s and Unit Maintenance…
When I was in school they were tearing down a dormitory. There was a huge pile of batteries (~2tons worth) from the battery backup system. I…
I have run the injectors outside the engine. they are spraying as specified in the manual. Everything looks good I just don’t know if I’m…
Ahh.. And I thought I was the only one who noticed.. :-) So much for the “easy” fix.. So, Seeing as you’re bypassing that whole fuel system…
If you think those puny little batteries are “huge”, I suggest you ask Google about “station batteries”. When you get into the range of…

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