Building your own neural network

Have you ever wanted to know how a neural network works? In this post, I will show you how to build a basic neural network from scratch. Read More

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David
20 May 2023

Back of the envelope calculation of R_0 for the SARS-Cov-2 Delta strain

A quick back of the envelope calculation of the viral reproductive number for the SARS-Cov-2 Delta strain based on readily available data. Read More

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David
18 November 2021

How much COVID is there, exactly?

A back of the envelope calculation of the total mass and volume of SARS-Cov2 in an infected individual and in the world where we discover that if Cov-2 infected all of humanity, it would make a viral mass roughly the size of a polar bear. Read More

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David
04 January 2021

Happy New Year! How effective does a vaccine have to be to eliminate SARS-Cov2 from the planet?

A back of the envelope calculation of the total fraction of the population that must be protected by a vaccine to drive SARS-Cov2 to extinction. Read More

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David
02 January 2021

What does it mean to socially distance PART 2

In this post, I set out to study at the heterogeneity in COVID infections across states in the USA. We will discover that there is lots of heterogeneity among states. Read More

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David
23 November 2020