The Secrets Of Quantum Physics - 2. Let There B... -
The episode focuses on several biological phenomena that classical physics struggles to explain, suggesting they rely on quantum effects:
Plants and bacteria are shown to capture energy from sunlight with nearly 100% efficiency. They achieve this by exploiting superposition , where energy packets (excitons) travel multiple paths simultaneously to find the most efficient route to the reaction center. The Secrets of Quantum Physics - 2. Let There B...
In the second episode of The Secrets of Quantum Physics , titled "," physicist Jim Al-Khalili shifts from the laboratory to the natural world. He investigates the burgeoning field of quantum biology , exploring how the counterintuitive laws of subatomic particles might be essential to life itself. Key Scientific Mysteries Explored The episode focuses on several biological phenomena that
Al-Khalili examines the European Robin , which navigates during migration using a biological compass. Research suggests these birds can "see" Earth's magnetic field through quantum entanglement in their eyes, a phenomenon so strange that even Einstein was skeptical. He investigates the burgeoning field of quantum biology
The film concludes by questioning if the Heisenberg Uncertainty Principle —which dictates that certain physical properties cannot be known simultaneously—plays a role in DNA mutations, potentially driving the very engine of evolution. Program Details Presenter: Professor Jim Al-Khalili Original Air Date: December 16, 2014 Duration: 59 minutes Production: BBC Four The Secrets of Quantum Physics, Let There Be Life - BBC
The episode explores the theory that our noses don't just identify the shape of molecules, but actually "listen" to quantum vibrations . This allows humans to distinguish between scents that have identical chemical structures but different atomic weights.
