Use the timeline below to select up to 20 seconds to watch or share.
3.69sDr. Cahill, do I detect a trace of opalescence?
1.75sVery observant, Professor.
3.64sTo preserve the heads, we use a rare form of powdered crystalline opal.
0.96s
0.7s
2.4sThis is the world's entire supply.
3.02sYet it's so powerful, it should last a thousand years.
2.87sIt keeps the heads alive, but we don't know how.
1.93sWhy did it give us those hallucinations?
1.9sBecause it didn't!
1.3sYeah-uh.
2.55sOpal has unusual temporal properties.
3.13sIt preserves each head in a time stasis bubble.
6.41sErgo, licking those heads actually sent us back in time to their original eras. Look!
0.83s
2.15sSchlock and more schlock.
2.05sPsst. Is the coast clear?