It’s a world record you may have never heard of before: longest chain reaction.

But as KCBS Radio's Keith Menconi reports a team of college students is hard at work in San Jose’s Tech Interactive for an attempt to break it this Saturday.

<p>It&rsquo;s a world record you may have never heard of before: longest chain reaction.</p>
<p>But as KCBS Radio's Keith Menconi reports a team of college students is hard at work in San Jose&rsquo;s Tech Interactive for an attempt to break it this Saturday.</p>

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