Related Clues:

• Mundane temporary head blunders penning English test
• Mundane experiment to restrict boob treatment that's controversial
• Mistake during two experiments, the first not finished, involving earth
• Man of the world hearing about art going wrong
• English River Test keeping both sides of river connected to land
• 'Earthly time slips' describing Einstein's first experiment
• Mundane blunder in batch overturned experiment
• Of a television service, using land transmission rather than satellite