Discover Experts built by creators — and ask real questions of their content.

Ask a question and get an answer pulled straight from a creator's videos and documents — with the exact minute cited. Free Experts stay free; paid Experts charge per question.

Ask Bill Hammack (engineerguy) a question →

What you get

Grounded answers

Cited responses from actual source material.

Low-risk trial

Most Experts start with free preview questions.

Specialized knowledge

Built for focused topics, not generic chat.

Available now

A curated start — new Experts are onboarding now.

Free to ask Cites the exact video minute

engineerguy — Ask the Videos

by Bill Hammack (engineerguy)

Technology · 27 questions asked · Listed with creator's permission · YouTube channel ↗

Ask how everyday things are engineered — answers come only from Bill Hammack's (engineerguy) videos, with citations linking to the exact video and timestamp.

Try asking

What makes an aluminum can so strong? How do bicycle helmets protect your brain in a crash? How does a hard drive store and read data?

Ask a question →

How Explore works

1 · Pick an Expert

Each Expert is built from a real creator's videos and documents.

2 · Ask a question

No signup needed — most Experts are free to try.

3 · Get a cited answer

Answers link back to the exact source video, down to the minute.

Get notified when your category launches

One email when it launches — nothing else, delete anytime.

Want an Expert for a channel you follow?

Requests shape which creators we onboard next.

Tell us who →

List your channel on SageTube

Turn your videos into an Expert your audience can ask — with every answer cited back to your content. Free to start; charge per question when you're ready.

List your channel See how it works