Pure Mathematics + Cybersecurity
Break a secret with number theory: how RSA works
Encrypt and decrypt a message with small primes by hand, then in code, and see why large primes matter.
- Advanced
- 1–2 weeks
- Free
606 projects · 13 streams · every class
What do you want to build?
70 projects
Software Development + Applied Mathematics
Create a school timetable generator
Generate a clash-free timetable from teachers, subjects, rooms and periods.
- Advanced
- 1–3 months
- Free
Physics · Modern Physics
Measure Planck's constant with LEDs
Find the turn-on voltage of LEDs of different colours and get Planck's constant from the slope.
- Advanced
- 2–7 days
- 250–500
Biology + Data
Compare a DNA sequence across species with free tools
Download one gene from six species, align the sequences and build an evolutionary tree.
- Advanced
- 1–2 weeks
- Free
Electrical Engineering + Robotics, IoT and Hardware
Build a PID temperature controller
Hold a small heater at a set temperature and tune the controller from its step response.
- Advanced
- 2–4 weeks
- 1,000–2,500
Cybersecurity · Web Security
Find and fix vulnerabilities in a deliberately weak web app
Run a training app on your own computer, find the classic flaws, then write the fixed code.
- Advanced
- 2–4 weeks
- Free
Development and Applied Economics · Econometrics
Test whether education and earnings are related
Use a public survey dataset to estimate how much an extra year of schooling relates to earnings.
- Advanced
- 2–4 weeks
- Free
Artificial Intelligence · Recommendation Systems
Build a movie recommender
Recommend films from the public MovieLens ratings using item similarity.
- Advanced
- 2–4 weeks
- Free
Computer Engineering + Systems and Cloud
Design a simple processor in a logic simulator
Build an 8-bit processor with an ALU, registers and a control unit, and run a small program on it.
- Advanced
- 1–3 months
- Free
Artificial Intelligence + Agricultural Technology
Recognise plant diseases from leaf photos
Train a model on public leaf images to tell healthy leaves from diseased ones and test it on your own photos.
- Advanced
- 1–3 months
- Free
Artificial Intelligence · Machine Learning
Compare machine-learning models on one dataset
Evaluate five classifiers on the same public dataset with cross-validation and report the differences properly.
- Advanced
- 1–2 weeks
- Free
Applied Mathematics + Civil Engineering
Model traffic flow with cellular automata
Simulate cars on a ring road and show how jams appear from nothing above a critical density.
- Advanced
- 1–2 weeks
- Free
Software Development · Mobile Apps
Develop an attendance app with QR codes
Teachers show a changing QR code; students scan it to mark attendance, with safeguards against proxies.
- Advanced
- 1–3 months
- Free
Data · Data Engineering
Build a data pipeline that runs every day
Fetch a public data feed daily, clean it, store it in a database and chart the history.
- Advanced
- 2–4 weeks
- Free
Robotics, IoT and Hardware + Environmental Science
Monitor air quality with a low-cost sensor
Build a particulate monitor, log readings and compare them with the nearest official station.
- Advanced
- 2–4 weeks
- 1,000–2,500
Political Science + Philosophy and Cultural Studies
Study a political idea through its key thinkers
Trace one idea, such as liberty or equality, through three thinkers and take a position.
- Advanced
- 2–4 weeks
- Free
Artificial Intelligence · Computer Vision
Build an image search engine
Find visually similar images by comparing feature vectors from a pretrained network.
- Advanced
- 2–4 weeks
- Free
Chemical Engineering · Reaction Engineering
Optimise a reaction with a simple reactor model
Simulate batch and continuous reactors for a first-order reaction and compare conversion.
- Advanced
- 2–4 weeks
- Free
Systems and Cloud · System Design
Design the architecture of a food-delivery app
Design a system for orders, restaurants and delivery partners and justify each choice with numbers.
- Advanced
- 1–2 weeks
- Free
Data · Big Data
Analyse a large open dataset with SQL
Load a multi-million-row public dataset and answer ten business questions with efficient queries.
- Advanced
- 1–2 weeks
- Free
Biomedical Engineering + Health Technology
Make a low-cost digital stethoscope
Fit a microphone to a stethoscope head, record heart sounds and analyse them on a computer.
- Advanced
- 2–4 weeks
- 1,000–2,500
Automobile Engineering · Safety Systems
Build an anti-lock braking demonstration
Show how pulsing a brake keeps a model wheel from locking.
- Advanced
- 2–4 weeks
- 1,000–2,500
Civil Engineering · Materials
Test concrete mixes for strength
Cast cubes with different water-cement ratios and compare their strength after curing.
- Advanced
- 2–4 weeks
- 500–1,000
Mechatronics and Robotics · Control
Build a self-balancing robot
Keep a two-wheeled robot upright using a motion sensor and a PID controller.
- Advanced
- 1–3 months
- 2,500–5,000
0 to compare
Compare