Dave stared at the gadget, turned it this way and that in his hands. Yesterday it worked; today it didn’t. He saw the boldface words on its back: Breaking Seal Will Invalidate Warranty! and No User-Serviceable Parts! “Hell with that,” he muttered. “I’m an engineer. I can do this.” He twisted, pried, inserted screwdriver, swore, withdrew screwdriver, tried again. Finally the gadget popped open. He held it up, looked inside. An odor hit his nostrils and he fell back. He felt dizzy, skin … [Read more...]