Tags » Sciency Stuff

Academia, Love Me Back

My name is Tiffany Martínez. As a McNair Fellow and student scholar, I’ve presented at national conferences in San Francisco, San Diego, and Miami. I have crafted a critical reflection piece that was published in a peer-reviewed journal managed by the Pell Institute for the Study of Higher Education and Council for Opportunity in Education. 1,049 more words

Kostis reblogged this on R196, Hilbert's Hotel.

ExoMars makes entry into the Martian atmosphere

After the cold and silent journey to Mars the ExoMars program is about to land the Schiaparelli module on the desolate surface. With about 7 months of travel from Earth, the Red Planet is still the most attractive planet for space exploration. 448 more words

Sciency Stuff

Build it yourself! The Arduino controlled CNC Router. Part 1.

For a long time I have wanted to built one of the most useful machines to have in the shop: the CNC router. It approaches the possibilities of a laser cutter, without the cost of an expensive ventilation system, power supply and powerful laser hardware. 463 more words

Sciency Stuff

Rank of centered data

Consider a matrix . In general, this matrix has rank

Now, suppose we wish to column-center the data. We can do this algebraically by using what is known as the… 39 more words

Sciency Stuff

Why am I good at mind calculations but bad at problem solving?

From: https://www.quora.com/Why-am-I-good-at-mind-calculations-but-bad-at-problem-solving

I have this friend who is great at cutting vegetables. You give her whatever you want, she can shred it in seconds. However, when it comes to cooking, she needs to be shown how to combine the vegetables and understand the differences in taste and acidity of each one, etc. 169 more words

Sciency Stuff

But moment picking is tricky too.

This is the second part of the story that I started with the previous post.

Wanting to build a quick counterexample, I wondered if I can create a random variable by solving the moment problem with only finite non-zero moments. 112 more words

Sciency Stuff

Going moment-picking

Yesterday, while trying to build a counter-example for a research problem, I started playing with the idea of designing a random variable, not by picking a vanilla distribution, but by selecting its moments myself. 149 more words

Sciency Stuff