In the world of technology, we are currently watching a storm brew on the horizon. It is called Quantum Computing . To the average user, it sounds like science fiction. But as a someone with a background in IT, I view it as the single biggest threat to digital security in history. So, what is it? And why is Google spending billions to build one? The Light Switch vs. The Dimmer To understand Quantum, you have to understand the computer (or phone, or tablet) you are using right now (Classical Computing). Classical (The Bit): Your phone runs on Bits . A bit is a switch. It is either 0 (Off) or 1 (On) . Everything you see - this text, your photos, your bank account - is just billions of switches flicking on and off. Quantum (The Qubit): A Quantum computer uses Qubits . Thanks to a property called Superposition , a Qubit can be 0 and 1 at the same time . The Coin Metaphor Imagine a coin. Classical Computer: The coin is flat on the table. It is either Heads or Tails. It cannot be both. Q...
Nearly twenty years ago, I started a blog called The Path is Too Deep, a geeky reference to a rare computer error message. A great deal of life has happened since then, a life I would like to share. So, here again, are some random bits of unfiltered Chris.