Gravity Is Matter’s Sugar Daddy.

When You Drive Your Car, E = Mc2 Is At Work. As The Engine Burns Gasoline To Produce Energy In The Form Of Motion, It Does So By Converting Some Of The Gasoline's Mass Into Energy, In Accord With Einstein's Formula.

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.

So: If You Buy The Notion That Reality Consists Of The Things In Your Freeze-frame Mental Image Right Now, And If You Agree That Your Now Is No More Valid Than The Now Of Someone Located Far Away In Space Who Can Move Freely, Then Reality Encompasses All Of The Events In Spacetime.

The Central Idea Of String Theory Is Quite Straightforward. If You Examine Any Piece Of Matter Ever More Finely, At First You'll Find Molecules, Atoms, Sub-atomic Particles. Probe The Smaller Particles, You'll Find Something Else, A Tiny Vibrating Filament Of Energy, A Little Tiny Vibrating String.

I Think The Relationship Between Memory And Time Is A Very Deep And Tricky One, To Tell You The Truth. I Don't Consider Memory Another Sense. I Do Consider Memory That Which Allows Us To Think That Time Flows.