WEBVTT

1
00:00:00.000 --> 00:00:06.000
Camera approaches two luminous electrode volumes. On-screen text: Stored in chemistry.. Narration: A battery stores energy in chemical form. Original stereo score.

2
00:00:06.000 --> 00:00:12.000
Green particles pass between the conceptual electrodes. On-screen text: The internal journey.. Narration: Ions travel through the electrolyte. Original stereo score.

3
00:00:12.000 --> 00:00:18.000
Copper particles move along the upper circuit; internal and external paths remain separate. On-screen text: The external journey.. Narration: Electrons take the external circuit. Original stereo score.

4
00:00:18.000 --> 00:00:24.000
The camera settles on the electrode and circuit assembly. On-screen text: One connected system.. Narration: Both paths belong to one connected system. Original stereo score.