
White Holes: Do They Exist?
White holes are black holes run backward: nothing can enter, but matter and light can escape. We explore whether these strange solutions cou...
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Podcast by Isaac Arthur

White holes are black holes run backward: nothing can enter, but matter and light can escape. We explore whether these strange solutions cou...

White holes are black holes run backward: nothing can enter, but matter and light can escape. We explore whether these strange solutions cou...

Mercury may be the Solar Systemβs first true industrial world. We explore robotic mines, solar furnaces, mass drivers, mobile cities, and ho...

Mercury may be the Solar Systemβs first true industrial world. We explore robotic mines, solar furnaces, mass drivers, mobile cities, and ho...

Gasoline doesnβt have to come from oil. With carbon dioxide captured from the atmosphere, hydrogen, and enough energy, we can manufacture sy...

Gasoline doesnβt have to come from oil. With carbon dioxide captured from the atmosphere, hydrogen, and enough energy, we can manufacture sy...

What happens when time stops being scarce? From nanobots to mind uploads, we explore the economy of immortality... and what it costs to live...

What happens when time stops being scarce? From nanobots to mind uploads, we explore the economy of immortality... and what it costs to live...

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a...

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a...

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explor...

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explor...

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation,...

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation,...

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydr...

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydr...

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may b...

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may b...

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future s...

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future s...