Can you break bullet proof glass with your voice?

Save this answer. Show activity on this post. This must be impossible, even for lady Castafiore with her earthquake voice. For a glass to break by sheer sound you need to produce a tone equal to the glass’s natural frequency – the frequency at which a body vibrates with the least amount of energy.

Can magnets break glass?

High powered magnets can lift cars, and steel beams as well as crush bones or break glass. In other words, magnets are capable of some incredible feats.

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How loud do you have to scream to break glass?

Next all you have to do is recreate that note, by singing, screaming – or, as O Briain did, using speakers. To smash a glass, you’ll need to blast it with upwards of 100 decibels of sound, which is roughly equivalent to a lawn mower.


Why does glass crack so fast?

Dust in the air, faster cooling, and contact with other surfaces when hot will cause microscopic cracks and stress in the surface of the glass.

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What singers can break glass?

The effect of a singer’s voice on glass has been demonstrated at least once: In 2005, rock singer Jamie Vendera was recruited by the Discovery Channel program “Mythbusters” to test his powerful voice. It took several tries, but he was eventually able to shatter a wineglass with his unamplified singing.

Is unbreakable glass breakable?

There are a number of options available that sell themselves as “shatterproof glass.” But the issue with that term, shatterproof, is that many products that claim to be shatterproof are actually only shatter-resistant and can still be broken. In simple terms, virtually all forms of glass can break.

Can the speed of sound break glass?

The sound passes from molecule to molecule until it hits the glass. But to break glass, you need to broadcast not only a sound that is just the right frequency, but also has a high enough amplitude to exceed the strength of the glass to resist those vibrations.

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At what speed does glass actually break?

For glass, the speed of sound is about 4 to 5 kilometers per second, but the Slow Mo Guys recorded crack propagation speed at just under 1.5 kilometers per second.

Can a sonic boom break glass?

The boom was produced by a F-4 flying just above the speed of sound at an altitude of 100 feet. In recent tests, the maximum boom measured during more realistic flight conditions was 21 pounds per square foot. There is a probability that some damage — shattered glass, for example, will result from a sonic boom.

Can singing high notes break glass?

Highly trained opera singers can sustain notes above 100 decibels. But no matter how loud the sound, if the pitch doesn’t match the resonant frequency of the glass, the glass will reflect most of the energy and won’t break.

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Is unbreakable glass possible?

The short answer would be that no, there is no truly unbreakable traditional glass. Still, there are certain glass products that can reinforce or replace standard glass and are either shatter-proof or virtually unbreakable.

Can vibration break glass?

A glass has a natural resonance, a frequency at which the glass will vibrate easily. Therefore the glass needs to be moved by the sound wave at that frequency. If the force from the sound wave making the glass vibrate is big enough, the size of the vibration will become so large that the glass breaks.

How fast is the actual speed of light?

Surprisingly, the answer has nothing to do with the actual speed of light, which is 300,000 kilometers per second (186,000 miles per second) through the “vacuum” of empty space.

Is it possible to break glass by screaming?

In 2005, the Discovery Channel television show MythBusters proved that a voice alone could break glass. Rock singer Jamie Vendera shattered a wine glass with a 105-decibel wail. By comparison, normal speech is usually around 50 decibels.

Can a high C break glass?

Traditionally, the note is depicted as being a high C. In reality, it can be any note that causes the glass to start vibrating. If that note is sung loudly enough, then the glass will vibrate and can suddenly shatter into pieces.

Did Mariah Carey break glass with her voice?

Mariah Carey shared an Instagram video of a very Mariah Carey take on the viral #BottleCapChallenge. The footage shows Carey allegedly using only her voice to send a bottle cap shooting away. Experts believe that the footage is merely an illusion and not physically possible.

Can humans break the speed of sound?

Traveling faster than the speed of sound seems impossible for a human to accomplish without the use of jet planes or machinery. But back in 2012, a skydiver broke the sound barrier by freefalling with a well-equipped pressure suit and a parachute from a height of 127,852 feet.

How fast does glass crack? – The Slow Mo Guys

What causes glass to break with voice?

If a person sings the same tone as that ringing note—a high C in legend but in reality the matching pitch could be any note—the sound of her voice will vibrate the air molecules around the glass at its resonant frequency, causing the glass to start vibrating as well.

Can a human break a glass with your hand?

“You don’t break the glass with your hand. The water causes it,” said Dr. Tadd Truscott, a mechanical engineer who led the team and is now at Utah State University.

How do you hit high notes like Mariah Carey?

How To Sing Whistle Notes
  1. First, take a deep breath and stop mid-breath. …
  2. Keeping your throat “closed,” slowly try to push a bit of air through. …
  3. Repeat the above exercise until you can produce a whistle note.
  4. Remember not to force air to go through, nor force yourself to try to produce the squeaky sound.

Is there a quiet way to break glass?

To break glass quietly, use a rag, blanket, or pillow to cover it before hitting it with a heavy object like a hammer. If you have duct tape, you can also use that to cover the glass. Another method is to use a steel center punch, pocket knife, or spark plug.

What note do you need to hit to break glass?

The note that a wine glass makes when you hit it is its resonant frequency – the frequency at which the glass vibrates most efficiently. If you can match this tone you can smash the glass. The note will be around one octave above middle C, depending on the size of the glass. The real trick is singing loudly enough.

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