He stopped short. His face fell.
"We can what?" he finished. "Another time mirror will not help us bring Elaine back—"
His companion interrupted fiercely:
"How do we know? There's always a chance we'll think of something, isn't there? And it's a cinch we won't accomplish anything just sitting here."
"But—"
"The least we can do is try!"
They worked like madmen in the hours that followed, heedless of the wedding guests who came and went from the house in bewildered knots. Unmindful of gashed fingers, Mark fitted the slivers of mirror together, while Professor Duchard tested and analyzed and figured at his side.
And then—
"I have it!" shouted the savant triumphantly. "I have the formula!"
"Then we can construct another mirror?"