We Have Ignition! Fusion Breakthrough Raises Hopes — and Questions

For the first time ever, physicists have set off a controlled nuclear fusion reaction that released more energy than what…

2 years ago

How an Advanced Civilization Could Exploit a Black Hole for Nearly Limitless Energy

A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…

4 years ago

How Far Away is Fusion? Unlocking the Power of the Sun

The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until…

7 years ago

What Are Fossil Fuels?

Fossil fuels, which are the decomposed remains of organic material, are the predominant source of energy in the modern era.

7 years ago

Astronomy Cast Ep. 391: Entropy

Have you ever been doing thermodynamics in a closed system and noticed that there’s a finite number of ways that…

9 years ago

Is the Universe Dying?

Is our 13.8 billion year old universe actually in its death throes? Poor Universe, its demise announced right in it’s…

9 years ago

Could We Terraform the Sun?

In the list of crazy hypothetical ideas, terraforming the Sun has to be one of the top 10. So just…

9 years ago

Our Universe is Dying

Brace yourselves: winter is coming. And by winter I mean the slow heat-death of the Universe, and by brace yourselves I…

9 years ago

What if a Black Hole Met an Antimatter Black Hole?

Would shooting a black hole into an antimatter black hole destroy them both? (more…)

9 years ago

How Can Black Holes Shine?

We hear that black holes absorb all the light that falls into them. And yet, we hear of black holes…

9 years ago