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
We couldn't find an exact match. These are the closest 70, found by leaving out the time limit and the class.
Or look inTwo-subject projectsHelp me choose
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