Make a polarimeter for $350

A polarimeter is used to characterize a sample by measuring the rotation of polarized light when it interacts with the sample. They can cost upwards of ~$10,000, but a $350 DIY high-resolution polarimeter has recently been detailed in a paper by Andrew Harvie , Tom Phillips, and John deMello. The bill of materials for the […]

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OpenPlant toolkit

A paper from Jim Haseloff’s lab on a low maintenance model plant for bioengineering. The paper describes the process for maintaining genetic lines in the plant Marchantia polymorpha without the need for greenhouse facilities. It presents the work they’ve done to make the DNA easily editable (such as screening for promoters) for bioengineering purposes and […]

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FED3, an open source Feeding Experimentation Device that you can DIY or just buy!

The Feeding Experimentation Device v.3 (FED3) is a smart pellet dispensing device originally designed for training mice on nose-poking tasks. Contributors to the product include Lex Kravitz, Sophi Kravitz, Bridget Matikainen-Ankney, Andrew Hardaway, Mohamed Ali, Katrina Nguyen, and Filipe Carvalho. FED3 is battery powered and designed for home cages. It collects information on nosepokes and […]

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