Create explainer videos that make complex ideas clear.

Why are skyscrapers designed to move? The script answers that question through one clear sequence: wind creates changing pressure, complete rigidity carries a cost, and a tuned mass damper reduces the motion occupants feel.

“It moves against the building’s sway while dampers absorb part of the motion.”

Keeping the script focused gives every scene a specific purpose. The opening introduces the problem, the middle explains the engineering trade-off, and the final scenes show how the mechanism changes the result.

Follow the same structure in how to write an explainer video script.

The reference set combines exterior views of Taipei 101 with diagrams and photographs of its tuned mass damper. Supporting construction and people references help the video move between the scale of the tower, the mechanism inside it, and the experience of the people who use the building.

An AI avatar gives the video a recurring guide without taking over every scene. Here, an engineer in a white hard hat appears at selected moments, while the tower, diagrams, and tuned mass damper carry the technical detail.

This keeps the explanation approachable without forcing it into a talking-head format. A saved AI avatar can be reused across related videos to maintain a recognizable visual style.

The custom pink watercolor background provides a consistent backdrop for the AI avatar, reference photographs, diagrams, and captions. It brings unlike source files into one visual system without changing the factual role of each image.

Project background

Custom pink watercolor

Visual subject

Taipei 101

AI avatar

White-hard-hat engineer

Source formats

Photos and diagrams

The 79-word script supplies the narration and the caption sequence. Word timing keeps captions aligned with the generated speech in the video, while the words, emphasis, and timing remain editable on the timeline.

Current voice models, caption timing, and editor controls are documented in Shortsly Help.

Narration

Generated from the script

Caption timing

Synced to speech

Text editing

Words and emphasis

Timing control

Editable on the timeline

The generated video follows a clear progression instead of presenting disconnected facts. Each part answers the question raised by the one before it, so the viewer can follow the engineering logic without losing the thread.

Problem

Wind pressure makes the tower sway

Constraint

Complete rigidity adds weight and cost

Mechanism

A tuned mass damper moves against the tower

Result

Occupants feel less of the motion

Skyscrapers are designed to move. Wind creates changing pressure across a tall facade, making the structure sway even when the ground is still. Making the entire tower rigid enough to stop that motion would add enormous weight and cost. Instead, some buildings use a tuned mass damper: a heavy block or pendulum near the top. It moves against the building’s sway while dampers absorb part of the motion. The tower still flexes, but occupants feel much less of it.