A marveleous algorithm for a fast computation of the reciprocal square root

In the C source code of the famous game you can find an incredibly efficient piece of code that seems totally insane and incomprehensible! It is the code for computing the reciprocal of the…

The case of pre-coded locations and the need of radio broadcasting traffic information

Photo by Denys Nevozhai on Unsplash

In a prevoious post I introduced different ways in which geospatial information can be shared between different persons. Now I will focus on the case where we use pre-coded locations. Let’s remind that we are dealing with a situation where the actor A wants to communicate an information related to…

How the Hellenistic genius computed the area of the parabolic segment without Calculus

Photo by Blaz Erzetic on Unsplash

Who does not know who Archimedes is. There are many anecdotes on him ranging from the famous “Eureka!” to the burning mirrors. We are in 300 BC, perhaps the most intellectually prosperous historical period in Europe until the end of the Middle Ages thanks to the Hellenistic culture. Archimedes was…

Alessandro Attanasi

Engineering Manager at PTV Group for Real-Time mobility. PhD in physics with passion in Computer Science, Statistics, ML/AI. Motto: “Never stop learning”

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