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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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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AttoBright: A single-molecule confocal system built from a 3D-printed scaffold

The AttoBright is a 10×20 cm single-molecule confocal system capable of single photon counting and fluorescence correlation spectroscopy. The scaffolding is designed to minimize the amount of optical components needed, and make those optical components easy to install with automated alignment. A paper by James Brown, Arnaud Bauer, Mark Polinkovsky, Akshay Bhumkar, DominicHunter, Katharina Gaus, […]

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