Duowenwen
Blog
Every title is a line you'd actually search for.
Series
Frontier math
A recent breakthrough in mathematics, drawn as a moving picture so you can see what it's really asking.
Frontier research
Where the NIST curve seeds came from: step through a 1997 random number generator in your browser and watch the P-256 seed appear.
Frontier research
Why the new Tesla Roadster jumps on gas jets: set the tank and burn time yourself and estimate the thrust and thrust-to-weight.
Frontier research
Why AI-designed quantum circuits keep no scratch work: four live explainers on reversible computing and T×Q.
Question map
One question per page, a short answer and a next question, following "why → then → what if."
For parents
Content safety, tone, privacy and what parents can see, in a short set of pages written for you.
Articles
Asking AI vs Asking a Teacher: What's the Difference?
A teacher knows your child; an AI tutor is there at night. Ask AI when you're stuck on homework, then take the deepest question on your map to the teacher.
· asking the teacher · AI tutor · comparison · how to ask questions
Keep Asking Until It Makes Sense: Five Steps to Understand Any Problem
What is it asking? Where am I stuck? Why does this step work? What if the conditions change? Can I explain it? Worked through with a classic puzzle.
· keep asking · understand a problem · study method · how to ask questions · elementary math
How Does One Photo of a Problem Become an Explanation in Minutes?
Up to 9 photos at a time. We transcribe, answer, then explain, checking against the textbook with page numbers. Usually 3-6 minutes. It can make mistakes.
· photo homework help · homework help · Duowenwen · how it works
"Stop Asking and Finish Your Homework": How That Phrase Kills Curiosity
The trouble isn't asking a child to finish. It's treating asking and finishing as opposites. Try "finish first, then keep asking", and mean it.
· stop asking just finish · curiosity · parents · homework
Think First or Ask First? You Need Both
With a lead, think first; with none, ask first. One test decides: can your child say what the problem is testing? Duowenwen never rushes or scores.
· think first or ask first · study method · how to ask questions · homework help
Ask One More Question: Turning Wrong Answers Into a Question Map
A mistakes notebook usually stops at the question and answer. Add one more question, "Which step did I get wrong?", and each answer leads to the next.
· mistakes · question map · keep asking · study method · middle school physics
My Child Keeps Asking Why and I Don't Know the Answer
Not knowing isn't embarrassing; squashing the question is the real loss. Admit it, write the question down, look it up together, ask your child to explain.
· why questions · kids ask why · parents · curiosity
"Don't Ask Me!" What Parents Can Do When They Can't Help With Homework
Explaining problems is a small part of helping. Four things to do without knowing the answer: be there, listen, check the map, drop 'you should know this'.
· parents · can't help with homework · middle school · high school · homework help