What really happened at the Big Bang?

What really happened at the Big Bang?

Modern science is full of all sorts of mind-blowing theories that describe and explain the behavior of the cosmos under conditions that nobody has directly observed. Perhaps the biggest example is the study of the Big Bang, which is the beginning of the universe itself. I’ve talked about the Big Bang in other videos, and…

Three Ways to Destroy the Universe

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 Death Of Bees Explained – Parasites, Poison and Humans

Human society is extremely complex and fragile, built upon various pillars. One of them is the honey bee. One out of three meals eaten by humans is made possible by honey bees. They are so important that if all the honey bees were to die out, thousands of plants would follow, which could lead to…

The Speed of Light is NOT About Light

The Speed of Light is NOT About Light

♪ (PBS Digital Studios theme) ♪ Does the speed of light actually have anything to do with light? ♪ (Space Time theme) ♪ So what is it about the speed of light that’s so special? Why does the universe seem to conspire to, 1) keep photons from traveling at any speed but 300,000 kilometers per…

Is Time Travel Really Possible?

Is Time Travel Really Possible?

Imagine you own a watch that let’s you travel through time. One day, you get the bright idea to travel back to the 1920’s to mess with your grandparents. You press a few buttons, and suddenly you’re standing beside old Pappy who is taking in the scenery at the precipice of the Grand Canyon. Since…

The Absurdity of Detecting Gravitational Waves

The Absurdity of Detecting Gravitational Waves

1.3 billion years ago in a galaxy far, far away two black holes merged As they violently spiraled into each other They created traveling distortions in the fabric of space-time gravitational waves in the last tenth of a second the energy released in these waves was 50 times greater then the energy being released by…