Kelvin's Blog

Hello! This blog is a collection of articles, essays, and thoughts on diverse areas like machine learning, computational chemistry, software, bains, and society. If you're not interested in all areas, it's best to filter the posts by categories, so you can get articles focused on that topic only.

The Goalkeeper and the Ball as an Allegory for Maintaining Focus

In order to be an effective goalkeeper, you have to focus on the ball at all times, and forget about the game, the players, everything around you. All your attention should be on the ball, where it’s moving, how it bounces

An Intuitive Introduction to Reinforcement learning

Reinforcement learning (RL) is a trial and error form of learning in which an agent acting in a given environment learns to take optimal actions at every state it encounters in such an environment with the ultimate goal to increase/maximize a numerical reward function.

Should we optimize for enjoyment?

  • Kelvin Paschal
  • Essays
  • April 19, 2022
Everything we see now is a result of constant iteration. Creations in science, technology, and art have always relied on an iterative process to make them better. The very fact that I can click a button or tap my screen and get a desirable response is because people have worked on these things for.

Brief Note on Digital Advertising

I saw quite a number of TV commercials and advertisements while growing up, I’m just now starting to realize their effect in hindsight. Good advertisement doesn’t just make you love a product, it makes you strongly desire what it was advertised for.

The problem with physical touch.

  • Kelvin Paschal
  • Poems
  • April 6, 2022
Touch confines you to one part of a person’s body at a time, sometimes I want to feel a person wholly, all at once. Physical touch doesn’t allow for this.

What is Enjoyment?

  • Kelvin Paschal
  • Essays
  • April 1, 2022
Enjoyment is such an ambiguous word. For someone, it could mean eating a delicious cake, while for another person that might be the norm, like eating breakfast cereal.

Brief Meditation on Meditations – Part 3

Try to look back at some point in your life where you were either really sad, worried, fearful, happy, excited, or elated. Now examine your life in the present.

Brief Meditation on Meditations – Part 2

Imagine what it’s like to not look forward to anything, to not expect anything, to not anticipate anything, to feel as if there’s no new problem to solve, to feel as if nothing is coming.
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