## General

Welcome to the Eton Stem website – the hub of all things STEM at Eton College. On this website, we…

## Problem of the Week (36)

In the tribe of Zimmer, being able to hike long distances and knowing the roads through the forest are both…

## Turbomachines

1.0. Introduction: On the 25th of August 2020, a Tokyo-based engineering company, SkyDrive Inc., carried out the first ever successful test of a piloted eVTOL (electric vertical…

## Problem of the Week (35)

This an incredible problem—incredible because it seems to lack sufficient data for a solution. A cylindrical hole six inches long…

## Food Quality Testing using Spectroscopy

One of the most important factors of success in any industry is the quality of the products you sell. This…

## Problem of the Week (34)

The solution of the equation can be expressed in the form . Find . Source: AMC 12A 2010 Happy problem…

## Entropy

“What makes the world go round are not sources of energy, but sources of low entropy. Without low entropy, energy…

## Problem of the Week (33)

Suppose there exists a convex (all angles less than 180 degrees) -gon (polygon with sides) such that each of its…

## Problem of the Week (32)

Six regular octagons each with sides of length 2 are placed in a two-by-three array and inscribed in a square…

## Graphene

Graphene is one of the most exciting developments in material science in the last 50 years. Although originally discovered in…

## Irrational Powers (Part 1)

The solution discussion to Problem of the Week 11 may have got you thinking, what does it mean to raise…

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