I’ve been asked this question a few times in the past week – how can someone support the Chemhacker STM project?
Here’s the easiest way: purchase a periodic table! I designed them myself, they are accurate to 5 significant figures and even contain Copernicium, the newest element! You can’t do chemistry without a periodic table.
So if you’re having trouble combating sentient grey goo, you should support the Chemhacker STM project by purchasing a periodic table!
Note: This project was originally hosted at ruggedscents.com, but I realized that a fragrance website isn’t really the best place for heavy duty science info, so I moved the transmissometry discussion, source code, and schematics here.
Below is the original post:
Open source hardware saved Campfire #1
I know there are case studies of Open Source Software helping businesses with their day-to-day tasks, but how many case studies are there of Open Source Hardware helping a business solve problems?
My idea for a campfire scented cologne won the business plan competition at barcamp Chicago 2010, and on May 10, 2011, nearly a year later, I’m ready to launch my product-RuggedScents’ Campfire. Unfortunately, less than four weeks to launch, I discovered a major process flaw: gigantic inconsistencies between the longevity of the fragrance’s smell on the user’s skin from batch to batch-some batches lasted three to four hours, some barely made it past 30 minutes!
I’m starting up a company that makes a campfire scented cologne (I’m actually producing the smoke part of the fragrance myself). I recently ran into a problem that only open source hardware could solve: figuring out concentration using just how much light my samples absorb.
I’ve been wanting to upgrade the storage in ChemHacker central for a while – but I haven’t found a good, sturdy storage unit that is large, can handle holding a lot of weight, and is chemically resistant.
I found this old Faygo-labeled shelving unit in a nearby alley:
After a (lot of) cleaning, here it is holding tools and a wide assortment of chemicals in the underground ChemHacker Lab:
I <3 aluminum foil and can’t do chemistry without it.
When I first saw researcher friends using it, I was dumbfounded: what’s up with all the aluminum foil in your labs?
I’ve since become a convert: it’s a cheap, clean, impervious to spills, versatile, multitasking material that no lab should be without. Go out and buy a few rolls right now. You’ll save money and frustration after only one use.
Here are only a few reasons why you should have a roll at hand in your chemistry lab:
Need a smooth, clean, spill-proof surface? Hey, presto! Just roll some out onto your workbench. When you’re done working, cleanup is a snap! Crumple it up, and toss it into the recycling bin. A sheet of aluminum foil won’t let spills touch your bench, is clean, and is a nice smooth surface.