The bearings went out on our reactor turbo pump. It started making a loud whine. A rebuilt Leybold 150 costs like $4000, so swapping them out myself seemed like the only real option. Here’s how it went: Step 1: Remove the heatsink and housing. Use a metric allen wrench to remove the housing. It’s got a rubber o-ring holding it […]
Author: bkvo
How to align a 4F optical system for digital inline holographic microscopy.
The goal of a 4F system in holography is to generate a collimated beam of single-wavelength light, shine it through a sample, and then magnify and refocus this light onto a camera sensor. When the collimated light hits the sample, it creates concentric rings around the objects known as diffraction patterns or Airy discs, like this: These diffraction patterns provide […]
How to use Zotero (and keep your papers on Dropbox).
Zotero is a simple, open-source solution for organizing your papers, books, websites, and other sources. It works great with Sci-Hub and even has a Firefox/Chrome add-ons so that you can quickly add papers straight from your browser. Additionally, it works flawlessly with Word to quickly add in-text citations and produce a bibliography of your cited sources. What you’ll need: Zotero […]