The History and Future of Everything — Time

Time makes sense in small pieces. But when you look at huge stretches of time, it’s almost impossible to wrap your head around things. So let’s start small with minutes, hours, days. You probably spent the last 24 hours mostly sleeping and working, with some coffee in there somewhere. Please watch less TV. Now let’s […]

What Is Something?

The simple questions are the hardest ones to answer. What is a thing? Why do things happen? And why do they happen the way they do? Let’s try to approach this step-by-step. What are you made of? You are matter which is made of molecules which are made of atoms and those are made of […]

Three Ways to Destroy the Universe

One day the universe will die. But why? And how? And will the universe be dead forever? And how do we know that? First of all, the universe is expanding. And not only that, the rate of its expansion is accelerating. The reason: dark energy. Dark energy is a strange phenomenon that scientists believe permeates […]

The Beginning of Everything — The Big Bang

The beginning of everything. The Big Bang. The idea that the universe was suddenly born and is not infinite. Up to the middle of the 20th century, most scientists thought of the universe as infinite and ageless. Until Einstein’s theory of relativity gave us a better understanding of gravity, and Edwin Hubble discovered that galaxies […]