PCB badges have exploded in popularity in recent years. Starting out as a fun token of entry to a conference, they’re now being developed by all manner of independent groups, with DEFCON serving ...

The two day conference focused on topics for further expert badge alignment of the Expert Field Medical Badge (EFMB), the Expert Soldier Badge (ESB), and the Expert Infantryman Badge (EIB), hosted ...

The badge boards did not arrive until the morning of conference. Mike also nailed a last minute fix with mod wires on a few hundred DC801 badges.

This wasn’t a cheap little conference giveaway. Lots of these connected badges were built, with 1,000 people registered to attend, a spokeswoman said. But the project is worth the expense, Kelly ...

Why a badge holder? The vaccine cards are 4 inches wide by 3 inches tall, and that happens to be one of the standard sizes for conference badges. If you don’t have one, you can get a pack of ...

Def Con, the world's largest hacker conference, is famous for these badges (at least within the cyber community) and, according to Daniel Oberhaus, the tradition goes back longer than a decade.

DEF CON alternates year to year between electronic, hackable badges and non-electronic ones; last year's badges were a throwback design intended to celebrate the conference's 25 th anniversary.

A sign at the registration desk gave conference-goers a chance to opt-out. Mary Ann Alberry, IBM’s conference manager, says 6,500 people attended the conference and approximately 2% chose not to wear ...