3 BRILLIANT MINUTES: Quiet your jets
GREEN BAY, Wis. (WBAY) - When it comes to comparing how loud a noise is, it seems nothing beats a jet engine. The sound of a jet taking off is about 140 or 150 decibels (dB)-- beating motorcycles (95 dB), concerts (100 dB), and a dog barking directly into your ear (110 dB), according to the CDC.
Engineers have been working quietly on technologies to make jet planes quieter. How quiet? And how are they doing it? Brad flies through the details in 3 BRILLIANT MINUTES.
Plus, the power of a mother’s touch. Brad tells you how much infant mortality rates fell the longer premature and underweight newborns were kept close to their mothers.
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