Student · Builder · Psychology

Hi, I'm Elena — I build tools
for how we learn and how we feel.

A high-school student from Shanghai, fascinated by psychology — how people learn, feel, and heal. I design and ship real products that turn ideas from cognitive science into things people can actually use, and I'm applying to study psychology in the U.S.

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Projects

● Live

Feynman AI

A web app built on the Feynman Technique: you pick a topic and a "student" — a curious child, a peer, or an expert — and teach it out loud to an AI. It asks Socratic questions that expose your gaps, then scores your fluency and subject mastery.
Learning scienceLLM / GeminiSpeech & visionCloud / Vercel
Open Feynman AI
● Live

Tether

A mental-wellness web app that turns feelings into something you can see, hear, and feel. Tether visualizes your emotions and helps people with somatic symptoms calm the body through gentle vibration and sound — paired with warm, AI-generated words of encouragement.
Mental wellnessPsychologyAIHaptics & soundCloud Run
Open Tether
● Live

CogniCard Academic

A memory-card tool for dense reading. CogniCard helps you make sense of long articles by turning them into flashcards, with an AI study assistant that guides your review so the material actually sticks.
Active recallAI assistantReadingAcademicCloud Run
Open CogniCard
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About me

I'm Elena — a high-school student in Shanghai, applying to universities in the U.S. I'm drawn to psychology: how people think, feel, learn, and heal. That curiosity is the thread running through everything I build.

What keeps coming back in my work is one question: how do people actually understand — and feel — something? The Feynman Technique — "if you can teach it simply, you truly understand it" — became the seed for my first product, and the same instinct shaped the others: turning ideas from cognitive science into tools people can hold in their hands.

Away from the screen, I love mythology — the old stories cultures tell to make sense of being human. To me, myth and psychology are chasing the same thing from different directions, and that's exactly what I want to spend my college years studying.

Let's connect

Reach out about my projects, research, or just to say hi.