Here’s an interesting paper about designing a low-cost touchscreen operant chamber using a raspberry pi. Perhaps the most important takeaway here is that rats performed twice as well in the Med Associates commercial chamber. Commercial products are often more refined than DIY solutions and this is just a great reminder of the trade-off we have to think […]
An autoclave, even a very small one, typically costs ~$4000. If you find yourself needing one, there’s a very old standby. For small batches of agar plates or low-volume media, you can use a pressure cooker, those wonderful commercial devices that cost ~$100. Here’s one tutorial and a quick search yields plenty of others as […]
On Amazon you can buy these “60x” magnifying lenses for around $6. If the quotations didn’t tip you off, they are not 60x, we bought a couple different types and in general found them to be between 5x to 10x magnifying lenses with pretty intense spherical aberrations. However if that was all there was to […]
When I first joined a lab, someone told me the best pipette was the one that had been calibrated most recently. In that spirit, check out these 3D Printed Pipettes called “Biropettes” from open-labware.net. If you’re worried about quality, just calibrate it and check the accuracy. You know, just like you do for a regular […]
The rare macroscopic post: If you need to control the macroscopic motion of a digital camera consider Dynamic Perception. They used to be a DIY forum and in that spirit they still sell individual parts along with full pre-made systems. Better yet a lot of what they do is open-source.