Geek levels will be absolutely off the charts on Saturday in Seattle’s Fremont neighborhood as a series of events promise everything from interactive bingo to geocaching to an outdoor version of the popular Ignite talks. Things will get rolling at 11 a.m. with the Geocaching Block Party, with more than 1,400 location-hunting geeks from around the world expected to track down five specially hidden caches.

The free event is hosted by Groundspeak, the geocaching pioneer which happens to be based in Fremont. In addition to a challenging geocache course — think about it like a scavenger hunt for GPS nerds — the event will feature zucchini races, dunk tanks and games of pin-the-antenna-on-Signal (the company’s mascot).

It also happens to be International Geocaching Day, with those who participate in a geocache challenge earning a special badge.

The block party runs until 3 p.m. at which time some real dorks will get rolling. Ignite Seattle and Dorkbot will host their own street fair at the Fremont Outdoor Movie Cinema.

Before the Ignite talks get started at 8 p.m., Seattle “makers, geeks, DIY builders and garage hackers” are encouraged to “drag their best projects out into the light of day.”

So, if you’ve been working on that time machine in the basement, now’s the chance to fire it up and show the world. That event also is free.

At 8 p.m., some of Seattle’s geekiest geeks will take the stage at Ignite (Admission: $5). Glenn Fleishman plans to discuss how technology is reviving letterpress printing; Amber Straub will offer some geeky mom tips; Bennett Haselton will chat about circumventing Internet censorship in China; and Beverly Sobelman will explain how she went from software engineer to circus performer.

And don’t forget about Seattle Mind Camp 7, taking place in Redmond on Saturday and Sunday, (at ThinkSpace, appropriately). Tickets are still available, $37 for a 24-hour pass, and $25 for overnight only.

Wow, what a line-up.

We can’t wait to check out some of the activities. And, here’s some even better news. Summer finally has arrived in Seattle with Saturday’s weather forecast set for 82 degrees and sunny.  You can’t sit inside and code all day, so get out and enjoy a few rays while participating in some truly geeky activities

Follow the links above for more information about each event. See you in Fremont.

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