The coolest physical thing I've made? I make small gametes, and I found someone who makes large gametes. We put them together and made mutated replicas of our

The coolest physical thing I've made? I make small gametes, and I found someone who makes large gametes. We put them together and made mutated replicas of ourselves. The first experiment has been running over 3,500 days. The second experiment has been running almost 1,400 days, but it's currently significantly louder and more prone to violence. We're very proud of them both.