ExplainerTools

Science · Interactive demo

How far away was that lightning?

Drag a lightning strike closer and count the seconds until the thunder arrives. The speed of sound, the 3-seconds-per-km rule and storm safety.

Created by ExplainerTools.

What you’ll explore

This interactive demo gives you a visual way into science. The key ideas include weather, lightning, sound, safety.

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A collection for the curious.

ExplainerTools collects interactive explainers, visual essays, and educational videos that help an idea make sense. Browse by subject, follow a topic, or find a creator whose way of explaining speaks to you.

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Every entry credits its original creator. Supported experiences play here, with a link to the creator’s original work available in the player. Inclusion does not imply a partnership or endorsement.

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Views, likes, and bookmarks count activity on ExplainerTools. They don’t include views or likes from a creator’s website or social accounts. Newest means most recently added to this collection. Ties are ordered by date added, then our curated catalog order.

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