LED Christmas Lights

For any given product, it is always interesting to see which aspects are improved and which languish.  Engadget’s recommendation of the best LED and incandescent Christmas lights highlighted this; the difference between the LED and incandescent strands is almost entirely restricted to the bulb (and associated electronic driver). Looking carefully at the above picture, the […]

PDF Tools I Use

PDFs are a staple of academia and industry, but they’re neigh-intolerable without the following: Foxit Reader – I’ve used Foxit for years; it’s plain better than Adobe, allowing all sorts of commenting, highlighting, and manipulation tools that Adobe restricted. PDF XChange – I was first encouraged to it by Docear and find it as capable […]

Electron Beam FreeForm Fabrication — IN SPACE

In the last post I described the basics Electron Beam FreeForm Fabrication (EBF3), here’s why I’m excited about it: Let’s walk through this process: Metallic Refuse Life and research aboard the ISS requires a lot of supplies and results in good amounts of waste.  This is the most expensive garbage in the world, and, due […]

Electron Beam FreeForm Fabrication (EBF3)

There are many cool things happening in 3D printing these days, but the technique I’m most excited about, electron beam freeform fabrication (EBF3), has received very little coverage.  So in this and following posts, I want to describe the basics of this technique and some of the cases where I think it is the ideal […]

Pandora Bounties

I’ve used Pandora for many years and its selection is persistently limited in some genres of music I’d like to hear more of.  So given this, why can’t it offer bounties for creation of new music? In my experience, liking or disliking more than every fourth track quickly leads their algorithm to overfit and play […]


I’ve been less than frequent in posts, though my drafts folder is full.  So I’m lowering the bar and hope to push out posts that could probably use more polish but which I’m tired of having linger in the drafts…and so, AmISheltered occurred today and is now public.  Cheers.


Consider a Facebook/Netflix/etc. app that analyzes a user’s profile to determine how sheltered they may be relative to their peers.  This data would be presented to the user, accompanied by a breakout plan to get them up to their peer norm.  Offers from media providers (Netflix/Amazon/etc.) would encourage the user to ‘rectify’ the situation through […]