Google's latest quantum computer, named Willow, has stunned experts by solving a task in minutes that would take the world’s top classical computers 10 septillion years. Suspended in a liquid helium bath near absolute zero, the Willow chip has 105 qubits and demonstrates the ability to correct errors, a big step toward practical quantum machines. Google’s Quantum chief Hartmut Neven says Willow can "help with many problems that humankind has now," including discovering medicines, improving food production, producing and transporting energy, and combating climate change. Professor Sir Peter Knight, an expert in quantum technology, called Willow a ground-breaking machine showing that error correction is possible. This progress shortens the timeline to machines that can perform trillions of accurate operations from decades to about seven or eight years. Quantum computing works differently from classical computing. Instead of testing every option one by one, quantum lets multiple possibilities unfold simultaneously. This makes it extremely powerful for certain complex problems. The stakes are high. Experts warn quantum computers will challenge current encryption methods that protect Bitcoin, government secrets, and global financial security. Sir Peter said, "All of cryptocurrency will also have to be re-examined because of the quantum computing threat." Agencies are believed to store encrypted data now to decrypt later when quantum machines become available. Globally, China invests around $15 billion in quantum tech, far outspending other countries. It has focused on state-led research and quantum communications, opening a commercial quantum computer in 2023. The UK also has a vibrant quantum research scene and plans to invest heavily soon to stay competitive. Back in Google’s lab, Neven also hinted at deeper mysteries. He said Willow's speed might support ideas of parallel universes, a controversial but fascinating possibility in quantum physics. "There's a version of quantum mechanics to think about - the many worlds formulation - parallel universes or parallel reality," he explained. The quantum era is dawning fast, promising to reshape technology, economics, and security worldwide. The world watches as the race for quantum supremacy heats up.