Possible Clues:

• Open up post containing a joke
• In post, I break new ground
• Found sole in dock
• Elementary particle always available for explorer
• Trailblazer needs one in support
• Japanese electronics company - or a member of a communist youth organisation?
• Look to inspire something positive as developer
• One receiving support? Just the opposite for trail-blazer
• Discover fire close by, we hear
• Landing-stage accommodates one adventurer