- on Education & Information
- Published in issue 4/2013 on page 78
Puzzle with an electronics touch
Seriously, this month’s is not an April spoof and it does have a unique solution. We kindly challenge you to defeat the blank boxes again and complete the puzzle. Enter the right numbers or letters A-F in the open boxes, find the solution in the gray boxes, email it to us and you automatically enter the prize draw for one of four vouchers.