Category: Uncategorized

There are so many campus murders, usually with guns, that most of us are not too removed from them. Maybe you’ve been on campus during a shooting, and if not, then maybe you are colleagues or personal friends with people who have been though that trauma. How many degrees of separation are you from…

What drives you?

I’ve been speaking with undergraduates a lot recently, consulting about their career plans, and the discussions can be interesting.

I tinkered a lot as a kid– taking things apart, modifying them, doing crude experiments. Maybe you did similar things. One time I found something interesting and shared it with mother. She asked, “When…

Optics by Hecht

About 13 years ago, I wrote a blog post on here about using catalogs as textbooks. I still do that, but catalogs are fading — fewer…

In my optics classes, I often give a brief historical account of Galileo’s telescopes. A point I want to make in this post, is that part of the high performance of Galileo’s telescopes was obtained through careful final adjustments. We do the same thing with our optics, designing in correction collars, adjustable air gaps, and…

Humphrey is a gentleman. We relax together after an intense day.

This is post is about suits. Most Labrigger readers will want to skip reading this one. I did…

Worldwide spending on all advertising is on the order of 1 trillion USD per year (source: statista). Web ad companies capture large fractions of this. For example, Meta gets about 10%, and Google gets about 20%. Then those companies invest heavily in R&D of various types, including for machine learning (ML) / artificial intelligence (AI)….