Frecventa de rezonanta a paharelor

Summary

Jaime Vendera demonstrates the fascinating science behind breaking wine glasses with sound. Using a speaker and tone generator, he matches the natural frequency of the glass, causing it to vibrate and eventually shatter. Slow-motion footage reveals the glass's vibrations and how cracks form, showing the impact of sound waves at the right frequency. The residual energy left after the glass breaks continues to influence the pieces, illustrating how time and invisible forces play a critical role in this incredible phenomenon.

The video is abnormal, and we are working hard to fix it.
Please replace the link and try again.

Q & A

What is Jaime Vendera famous for in the script?

Jaime Vendera is famous for using the sound of his voice to destroy wine glasses, making them explode due to resonant frequency vibrations.

How does Jaime Vendera perform the experiment to break the wine glass?

Instead of singing, Vendera uses a speaker and a tone generator to produce sound waves that match the natural vibrating frequency of the glass.

Why is matching the natural vibrating frequency of the glass important in this experiment?

Matching the natural frequency of the glass with sound waves causes the glass to resonate, and when the vibrations reach a critical level, the glass shatters.

What role does the high-speed camera play in this experiment?

The high-speed camera captures the glass’s vibrations in slow motion, revealing details that are invisible to the naked eye, such as how the rim bends and the cracks form.

What is the frequency at which the glass vibrates during the experiment?

The glass vibrates at 337 times per second, or 337 Hertz, which is the same frequency as the sound waves from the speaker.

How do the sound waves cause the glass to shatter?

The sound waves push and pull on the glass, causing it to vibrate. If the frequency and intensity are just right, the glass’s vibrations build up until it breaks.

What does the slow-motion footage reveal about the glass’s movement?

The slow-motion footage shows that the glass’s rim is bending back and forth, not the entire glass, and it does so 337 times per second in response to the sound waves.

What happens immediately after the glass begins to crack?

After the initial crack forms near the speaker, it spreads quickly, with cracks traveling along the thicker areas of the glass and eventually causing it to break apart.

What happens to the glass after the sound waves no longer influence it?

Even after the sound waves from the speaker stop, the glass continues to vibrate due to the inertia from the vibrations it has absorbed, causing leftover energy to influence the pieces.

Why does the remaining piece of glass still appear to shake after the breakage?

The leftover inertia from the vibrations causes the remaining piece of glass to shake, even though it is no longer being affected by the speaker's sound waves.