Lexus LFA shatters wine glass

By now, you've probably seen this commercial. If not, it's basically a Lexus LFA on the dyno, which hits high RPM and then breaks a champagne glass. Can this really happen? Of course! According to wikiHow, all it takes is 80 to 90 dB at the right note to break a cheap glass.

MythBusters used titanium crystal glasses, and even these strong glasses broke at 105+ dB. If you've been to a car stereo competition, you'll see people breaking into 150+ dB who run Plexiglas windows because the standard ones would shatter.


It's amazing how easily glass can break from sound waves. Sound waves moving at a specific frequency hit the glass particles and cause them to move, eventually causing a crack. The same logic behind this audible technology is used in military defense, entertainment, and more. Even though some sound waves can cause the glass to shatter instantly, others can cause it to morph like a liquid orb if mixed with the correct resonance. Check out this video of morphing glass to see just how crazy sound mixed with glass can get.

Video content: breaking a wine glass using resonance

So if this thing is tuned to break glasses, will it be road legal? Take into consideration the most rigid state on exhaust laws, the dread California emissions folks. No other place in the country aside from New York is as bad as California when it comes to regime like exhaust regulation. According to Pointhappy.com, California exhaust regulations require that the vehicle emit no louder than 95 dB's of sound, measured from twenty inches, at both idle and a specific RPM for each vehicle varied from 3000 to 5000 RPM. It's totally possible for the Lexus LFA to break cheap glass at the right RPM while still maintaining legal dB limits in even the most strict of emission states.

Lexus, you are genius. Once again you've made the world stop spinning for a split second to witness your technological marvel. If the LFA is a sign of what's to come, I can't wait to see Lexus in 2030, 2040, and the future. Mercedes-Benz, BMW, Volvo, and Cadillac can all learn something from Lexus. People of the technological revolution like technology, use it. No more junk! Read Autoblog's impression of the LFA breaking glass.


Video content: Lexus LFA breaks glass


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Source: Tampa Sports Car Examiner