5070 N Kimberly, Chicago, IL 60630
24 HOURS / 7 DAY / 365 DAYS A YEAR
06 Oct 2017
Not The Key Chain You're Thinking

Not the Key Chain You’re Thinking Of

So I stumbled upon the weirdest lock I’ve ever seen this week. We’ve talked a bit before about how a standard lock will work. It’s a little puzzle that requires a key of the right shape to put all the pieces in Read More

29 Sep 2017

Mastering Master Keys: How They Work, Why You Want One, And Why I Don’t Have One

When I moved into my new apartment last summer, my landlord gave me 3 keys; one for the front door, one for my unit, and one for my mailbox. So say my unit is one of 32 – if all 32 units have just one person Read More