## General

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

## Problem of the Week (23rd May, 2022)

Let be the smallest integer for which has 2016 digits.What is the units digit of ? Source: Senior Maths Challenge, 2016…

## Problem of the Week (16th May, 2022)

Consider triangle with side lengths , , and . Let be the midpoint of segment , and let be the point on the interior of segment that also…

## Problem of the Week (9th May, 2022)

The area of the region bounded by the graph of is , where and are integers. What is ? Source:…

## Problem of the Week (2nd May, 2022)

In a cyclic quadrilateral , the lengths of the sides , , and are in arithmetic progression with common difference . If angle is degrees,…

## Sequestering Carbon Dioxide: The Key to Combatting Climate Change?

Much of the approach to combatting climate change has been about reducing emissions. However, this is not always entirely possible,…

## How Nanopore Sequencing is Revolutionising Biology

When the first human genome was sequenced completely, it cost an estimated $450 million[i]. Now, thanks to incredible technological advances,…

## Easter break puzzles

Here are three problems to enjoy over the break! Problem 1 Three friends make the following statements: Ben says, “Exactly…

## Problem of the Week (21st Mar, 2022)

A choir director must select a group of singers from among his 6 tenors and 8 basses. The only requirements…

## Problem of the Week (14th Mar, 2022)

For natural number , define the function to be the number you get by adding the digits of the number . For…

### Categories

- Biology (1)
- Engineering (12)
- Enrichment (3)
- Essays (10)
- General (6)
- Interviews (10)
- Maths (49)
- Problem of the Week (60)
- Science (59)
- Sustainability (12)
- Technology (27)