This week on You Asked: What is Moire effect, and can you do anything about it? When is it safe to buy an open-box TV? Are there any curved TVs you can buy?

With just a few dollars in parts and whatever old speaker or other enclosure you have lying around, you can make a sound effects button box.

To showcase its Sound Effects API, ElevenLabs has released an open-source tool for creators that uses AI to apply sound effects to any uploaded video.