There May Be Many Big Bangs That

Time Allows Change To Take Place And The Very Evolution Of The Universe Is What Requires Some Conception Of Time. Mathematically Can We Write Down A Universe That Doesn't Have Time? Sure. Do We Think That Would Be Realised In The Larger Reality That Is Out There? None Of Us Take That Possibility Seriously.

To Tell You The Truth, I've Never Met Anybody Who Can Envision More Than Three Dimensions. There Are Some Who Claim They Can, And Maybe They Can; It's Hard To Say.

When You Know The Answer You Want, It Is Often All Too Easy To Figure Out A Way Of Getting It.

Einstein Comes Along And Says, Space And Time Can Warp And Curve, That's What Gravity Is. Now String Theory Comes Along And Says, Yes, Gravity, Quantum Mechanics, Electromagnetism - All Together In One Package, But Only If The Universe Has More Dimensions Than The Ones That We See.

Before The Discovery Of Quantum Mechanics, The Framework Of Physics Was This: If You Tell Me How Things Are Now, I Can Then Use The Laws Of Physics To Calculate, And Hence Predict, How Things Will Be Later.