Riddle for the weekend 64 == 65

Also popular now:

• Why do technical conferences seem so expensive? / Company Blog Testing Laboratory
• Paul Graham: "What You Can't Talk About." Notes
• Overview of the drone Fighter quadrocopter from an enterprise perspective / RC Land's blog
• Exchange, let me steer
• RGB LED Strip Control Controller LED-C-01 / IT-Home Blog
• Two "terrible" problems when shopping abroad and methods for solving them / Blog of the Parcel company
• The next SPM Conf-5 conference will be held in Minsk / Testing Laboratory company blog
• Eight-thousander taken / iCover.ru company blog
• Individual mock-ups for a radio-electronics club based on ... yes, yes, again Arduino
• Germany faces the challenge of disposing of obsolete windmills