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// built by students, for students

This is cheating
cognitive science.

Upload your lecture PDFs. Get notes you'll actually read, practice that sticks and a mock exam that feels real.

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try it: pick an answer

Psych 101 / Lecture 61 of 3

You read a phone number and forget it 30 seconds later. Which memory let you down?

works for

  • Bio 101
  • Physics 101
  • Organic Chemistry
  • Microeconomics
  • Intro to Psych
  • Anatomy & Physiology
  • Statistics
  • Constitutional Law
  • Financial Accounting
  • Calculus I
  • Marketing 101
  • World History

Slides in.
A whole course out.

  1. drop()

    Drop your slides

    Every lecture PDF from the semester. Messy, wordy, 80 slides long. Bring it.

  2. decode()

    We decode them

    Notes in plain English, practice questions for every topic, each answer checked against its slide.

  3. study()

    Study your way

    Learn it from zero, or just drill. Then sit a mock exam built in your real exam's format.

example run

$ nts build ./psych-101 --exam "oct 20"

$

Skipped them all? Learn it.

The tutor walks you through each lecture: the key idea first, then the details, with every slide it used one tap away. Try it.

Lecture 5 LearningLecture 6 MemoryLecture 7 Sleep

Lecture 6 / step 1 of 2 / slides 4-9

How memory works

Info goes in, gets stored, then has to come back out. Most forgetting is a problem getting it back out.

Encoding : your brain turns what you see and hear into something it can store. Thinking about what it means works best.

Short-term memory : holds a handful of things for about 20 seconds. Stop repeating them and they're gone.

Long-term memory : practically unlimited, and it can last a lifetime.

Retrieval : pulling a memory back out. That "it's on the tip of my tongue" feeling is retrieval failing.

remember:In, stored, out: encode, store, retrieve.

Key terms

encoding
turning information into a form your brain can store
short-term memory
a few items for a few seconds
long-term memory
the big, lasting store
retrieval
getting a memory back out when you need it

Check yourself

You read a phone number and forget it 30 seconds later. What went wrong?

6.2 Short-term memory

  • Capacity: about 4 to 7 items (Miller, 1956; Cowan, 2001)
  • Duration: about 15 to 30 seconds without rehearsal
  • Maintenance rehearsal keeps items active
  • Chunking increases effective capacity
  • Info not encoded is lost

Fig. 6.2 Recall drops within seconds without rehearsal

PSYCH 101 / Lecture 6 / 6

the source: lecture 6, slide 6
Psych 101 / Lecture 6practice

You read a phone number and forget it 30 seconds later. Which memory let you down?

correct.Short-term memory holds a handful of items for about 20 seconds. Stop repeating them and they fade. [slide 6]

Every answer shows its slide.

Notes, practice questions, mock exams, tutor replies: each one points to the exact slide it came from. Tap it and the slide opens right there.

The AI doesn't freestyle. If your prof didn't say it, it doesn't get tested.

Went to every lecture? Drill it.

Practice that comes back right before you forget, a mock exam in your real format and stats that show where you're losing points.

Practice

Questions come back right before you'd forget them. A countdown plans each day for you.

exam in 6 days. today:

Reviews due
18
New lessons
2
Weak topic
research methods

example plan

Mock exam

Your real format: question count, time limit, question types. Timer on, no going back.

59:41

question 7 of 30

Mistakes

Everything you got wrong, with its slide, until you don't.

  • Short-term vs long-term memoryretry
  • Substitutes vs complementsretry
  • Classical vs operant conditioningretry

Stats

See exactly where you're losing points, topic by topic. One tap to train the weak ones.

  • Memory92%solid
  • Learning and conditioning61%train
  • Research methods48%train

example numbers

Glossary

Every key term from your slides, searchable. Studying in a second language? Explanations come in yours.

spacing effect
spread-out study beats cramming
placebo
feeling better because you expect to
elasticity
how much demand reacts when price changes

Feels like cheating. It's just science.

2 of 10

Testing yourself beats rereading. Spacing it out beats cramming.

A review of ten popular study techniques rated these two the most useful. Highlighting and rereading came last.

Dunlosky et al., 2013, Psychological Science in the Public Interest (opens the paper: Improving Students' Learning With Effective Learning Techniques)

49 min

A well-built AI tutor out-taught a good class.

In a Harvard physics trial, students with a structured AI tutor learned more than in an active-learning lecture, in a median 49 minutes against a 60-minute class.

Kestin et al., 2025, Scientific Reports (opens the paper: AI tutoring outperforms in-class active learning)

-17%

Hints, not answers.

Students who leaned on plain ChatGPT scored 17% worse once it was taken away. A tutor that only gave hints didn't have that problem.

Bastani et al., 2025, PNAS (opens the paper: Generative AI without guardrails can harm learning)

// launch pricing

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  • Mistakes list, stats and glossary
  • Every answer linked to its slide
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Questions, answered.

The short version: upload slides, pick a mode, pass the exam.

What is No Time to Study?

A study app that turns your lecture slides into a full course: notes, practice questions with spaced repetition, mock exams in your real exam format, a glossary and an AI tutor. Everything links back to the slide it came from.

Is this cheating?

No. You still do the learning. We turn messy slides into the format research says works: testing yourself, spaced over days. The tutor gives hints, not answers.

What can I upload?

Lecture slides and handouts as PDFs. Using Google Slides or PowerPoint? Download as PDF first. A syllabus alone works too, but your real slides make it much better.

Which subjects?

Anything taught with slides: biology, physics, chemistry, business, psych, econ, law. Number-heavy courses get worked examples, not just definitions.

Is my stuff private?

Yes. Your uploads are visible only to you, and to classmates if you choose to share. We don't sell your data or use your files to train AI. Only upload material you're allowed to use for your own studying.

How much does it cost?

Your first lecture is free, no card. Then Core (3 courses) is $15 a month, Full load (up to 6) is $25 and No limits is $50, or $12.50, $19.50 and $37.50 a month billed every 4 months. The same numbers apply in euros and pounds, VAT included. Cancel anytime. Every plan includes every feature; plans only differ in how many courses you can have.

What if I cancel?

You keep access until the end of the period you paid for, and your notes stay readable after that. We email you before every renewal, and you can cancel in two clicks or get a full refund within 14 days.

Who is it for?

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When can I use it?

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