Detailed text transcripts for TV channel - CNN - 20110226:19:57:00
This is what protective head gear looked like in the old days. heres what it looks like now. the changes are obvious, youve got a lot of padding inside, a much tougher shell as well. some, in fact, have these sensors that are built inside to measure impact. if someone takes a hit on the football field, some of these helmets transmit a signal wirelessly to the sideline that gives you information like this, tells you the severity of the blow, the impact of the blow, such important information. but...
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