You may think that the closest you’ve come to a lab experiment is mixing pancake batter in the kitchen. But consider for a moment that your home or office work space is a kind of laboratory where you apply creative problem solving to the day’s challenges. Perhaps your scientific method is more trial and error than hypothesis and proof. Take heart. The telephone was the result of a fortuitous chemical spill. These refillable lab-glass test tubes come in an epoxy steel frame.