https://www.spreaker.com/podcast/wait-but-why--7212486enScienceCopyright Barbarahttps://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/12a1815756dbac92f0f9d7394d9a09cd.jpghttps://www.spreaker.com/podcast/wait-but-why--7212486Tue, 11 Aug 2026 10:28:50 +0000Phu Pham CongPhu Pham Congcongphu.bka@gmail.comWhy is there no black light? Do we all see the same colors? Why does time seem to move faster as we get older? And is the world we experience actually the world that exists?Wait, But Why? explores the surprisingly deep science hiding inside ordinary...false1c60fb85-dd3d-5d7e-9cfb-6fc9daa45252episodichttps://www.spreaker.com/episode/why-does-hot-weather-make-you-so-tired--73738481
This episode explores what your body is actually doing in hot weather, why cooling yourself requires constant physiological work, how sweating and dehydration can add to fatigue, and why heat can make an ordinary day feel unusually demanding.

You may be sitting still, but your body is working harder than it looks.]]>https://api.spreaker.com/episode/73738481Mon, 10 Aug 2026 04:27:01 +0000Phu Pham CongYou step outside on a hot afternoon and suddenly everything feels harder. Walking takes more effort. Concentrating feels slower. Even sitting still can somehow leave you exhausted. This episode explores what your body is actually doing in hot...
This episode explores what your body is actually doing in hot weather, why cooling yourself requires constant physiological work, how sweating and dehydration can add to fatigue, and why heat can make an ordinary day feel unusually demanding.

You may be sitting still, but your body is working harder than it looks.]]>320curiosity podcast,dehydration,documentary podcast,everyday science,heat exhaustion,hot weather fatigue,human body,one voice podcast,physiology,sweating,thermoregulation,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-do-we-get-so-sleepy-after-lunch--73738379
This episode explores the post lunch dip, the daily rhythm of alertness, accumulated sleep pressure, and why blaming the entire experience on a heavy meal misses an important part of the story.

You might feel sleepy after lunch even when lunch is not really the reason.]]>https://api.spreaker.com/episode/73738379Mon, 10 Aug 2026 04:24:20 +0000Phu Pham CongLunch is finished. You sit back down to work, and suddenly concentrating feels harder. Your eyelids become heavy. The afternoon seems to slow down. This episode explores the post lunch dip, the daily rhythm of alertness, accumulated sleep pressure,...
This episode explores the post lunch dip, the daily rhythm of alertness, accumulated sleep pressure, and why blaming the entire experience on a heavy meal misses an important part of the story.

You might feel sleepy after lunch even when lunch is not really the reason.]]>328afternoon sleepiness,circadian rhythm,curiosity podcast,documentary podcast,everyday science,human body,one voice podcast,post lunch dip,sleep pressure,sleep science,wait but why podcastfalsefullhttps://www.spreaker.com/episode/does-using-ai-make-us-think-less--73738307
This episode explores cognitive offloading, why using an external tool can make thinking feel easier, and why researchers are now asking whether there is a meaningful difference between using artificial intelligence to support thought and using it to replace thought.

The interesting question is not whether we should use artificial intelligence, but which parts of thinking we should still insist on doing ourselves.]]>https://api.spreaker.com/episode/73738307Mon, 10 Aug 2026 04:21:53 +0000Phu Pham CongYou ask artificial intelligence to summarize an article, plan an email, explain an idea, or solve a problem. Seconds later, the difficult part seems to be finished. This episode explores cognitive offloading, why using an external tool can make...
This episode explores cognitive offloading, why using an external tool can make thinking feel easier, and why researchers are now asking whether there is a meaningful difference between using artificial intelligence to support thought and using it to replace thought.

The interesting question is not whether we should use artificial intelligence, but which parts of thinking we should still insist on doing ourselves.]]>342ai cognitive offloading,ai productivity,artificial intelligence,chatgpt,cognitive psychology,critical thinking,curiosity podcast,documentary podcast,human ai interaction,human behavior,one voice podcast,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-do-ai-videos-feel-creepy-even-when-they-look-real--73738178
This episode explores the uncanny valley, why small mismatches between appearance, movement, and expectation can become more disturbing as artificial humans become more realistic, and why researchers still debate exactly what produces the effect.

The closer something gets to looking human, the stranger its smallest mistakes can become.]]>https://api.spreaker.com/episode/73738178Mon, 10 Aug 2026 04:18:25 +0000Phu Pham CongAn artificial intelligence video can look almost perfect. The face is realistic. The lighting is convincing. The voice sounds natural. And yet something about it feels wrong. This episode explores the uncanny valley, why small mismatches between...
This episode explores the uncanny valley, why small mismatches between appearance, movement, and expectation can become more disturbing as artificial humans become more realistic, and why researchers still debate exactly what produces the effect.

The closer something gets to looking human, the stranger its smallest mistakes can become.]]>374ai generated video,ai video,artificial intelligence,curiosity podcast,documentary podcast,human faces,one voice podcast,perception,psychology,robotics,uncanny valley,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-can-t-we-stop-scrolling-bad-news--73738062
This episode explores why negative information can be so difficult to leave alone, how uncertainty and information seeking may keep the loop going, and why continuing to search for reassurance can sometimes leave us feeling less certain than when we started.

The strange part is that doomscrolling may continue not because we enjoy bad news, but because we are still waiting for the next piece of information to make everything feel understandable.]]>https://api.spreaker.com/episode/73738062Mon, 10 Aug 2026 04:15:10 +0000Phu Pham CongYou open your phone to check one piece of news. Twenty minutes later, you are still scrolling through disasters, conflicts, warnings, arguments, and predictions about what might go wrong next. This episode explores why negative information can be...
This episode explores why negative information can be so difficult to leave alone, how uncertainty and information seeking may keep the loop going, and why continuing to search for reassurance can sometimes leave us feeling less certain than when we started.

The strange part is that doomscrolling may continue not because we enjoy bad news, but because we are still waiting for the next piece of information to make everything feel understandable.]]>328attention,bad news,curiosity podcast,digital behavior,documentary podcast,doomscrolling,human behavior,information seeking,one voice podcast,psychology,social media,uncertainty,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-can-t-we-tell-when-ai-wrote-something--73737993
But recent experiments suggest that people may be much worse at identifying artificial intelligence writing than they think. This episode explores what readers look for, why those clues often fail, and what new research reveals about our assumptions about human creativity.

The strange part may not be how human artificial intelligence has become, but how uncertain our idea of human writing really was.]]>https://api.spreaker.com/episode/73737993Mon, 10 Aug 2026 04:13:02 +0000Phu Pham CongYou read a story, an email, or a social media post and something feels slightly artificial. Maybe it is too polished. Maybe the sentences are suspiciously smooth. So you decide it must have been written by artificial intelligence. But recent...
But recent experiments suggest that people may be much worse at identifying artificial intelligence writing than they think. This episode explores what readers look for, why those clues often fail, and what new research reveals about our assumptions about human creativity.

The strange part may not be how human artificial intelligence has become, but how uncertain our idea of human writing really was.]]>367ai detection,ai generated content,ai writing,artificial intelligence,chatgpt,curiosity podcast,documentary podcast,human writing,one voice podcast,psychology,technology podcast,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-are-people-falling-in-love-with-ai-chatbots--73737838
This episode explores why a machine that does not experience human emotions can still produce a genuine emotional response in the person talking to it. We look at attention, self disclosure, constant availability, personalization, and the emerging research on attachment to artificial intelligence companions.

If the emotion is happening inside a human mind, does it matter that the listener on the other side is artificial?]]>https://api.spreaker.com/episode/73737838Mon, 10 Aug 2026 04:08:54 +0000Phu Pham CongSomeone opens an artificial intelligence chatbot to ask a simple question. Weeks later, they may be telling it about their fears, their relationships, their bad days, and sometimes even calling it a friend or romantic partner. This episode explores...
This episode explores why a machine that does not experience human emotions can still produce a genuine emotional response in the person talking to it. We look at attention, self disclosure, constant availability, personalization, and the emerging research on attachment to artificial intelligence companions.

If the emotion is happening inside a human mind, does it matter that the listener on the other side is artificial?]]>379ai companions,ai relationships,artificial intelligence,chatbot psychology,curiosity podcast,documentary podcast,emotional attachment,human behavior,loneliness,one voice podcast,psychology podcast,wait but why podcastfalsefullhttps://www.spreaker.com/episode/why-are-prices-always-nine-ninety-nine--73737708
This episode explores the psychology of price endings, the left digit effect, what field experiments have found about sales, and why a price can communicate more than its exact numerical value.

The strange part is that one cent may matter even when nobody really cares about the penny.]]>https://api.spreaker.com/episode/73737708Mon, 10 Aug 2026 04:05:35 +0000Phu Pham CongYou see it everywhere. A product costs nine dollars and ninety nine cents instead of ten. A shirt is forty nine ninety nine instead of fifty. Everyone knows the difference is tiny, so why do stores keep doing it? This episode explores the...
This episode explores the psychology of price endings, the left digit effect, what field experiments have found about sales, and why a price can communicate more than its exact numerical value.

The strange part is that one cent may matter even when nobody really cares about the penny.]]>294behavioral economics,consumer behavior,curiosity podcast,documentary podcast,explainer podcast,left digit effect,nine ninety nine pricing,one voice podcast,pricing psychology,psychological pricing,retail pricing,wait but why podcastfalsefullhttps://www.spreaker.com/episode/the-last-man-came-up-after-sixty-nine-days-underground--73671358
The operation continued for more than twenty hours. Early on October fourteenth, shift supervisor Luis Urzúa became the thirty third and final miner to leave the mine. All thirty three men had survived sixty nine days underground.

Their survival depended on rationing, organization, drilling technology, medical support, engineering, communication, and the fact that rescuers reached them before their underground conditions became irreversible.]]>https://api.spreaker.com/episode/73671358Sat, 08 Aug 2026 15:43:51 +0000Phu Pham CongOn October thirteenth, two thousand ten, the Fénix capsule began carrying the trapped miners of the San José Mine back to the surface one by one. Each ascent took a single man through roughly two thousand three hundred feet of rock while families,...
The operation continued for more than twenty hours. Early on October fourteenth, shift supervisor Luis Urzúa became the thirty third and final miner to leave the mine. All thirty three men had survived sixty nine days underground.

Their survival depended on rationing, organization, drilling technology, medical support, engineering, communication, and the fact that rescuers reached them before their underground conditions became irreversible.]]>198chilean miners,copiapó chile,documentary podcast,fénix capsule,luis urzúa,mine rescue,one voice podcast,san josé mine,survival story,thirty three miners,true story,underground survivalfalsefullhttps://www.spreaker.com/episode/one-narrow-capsule-thirty-three-men-and-a-way-home--73671264
Engineers tested the specially designed Fénix capsule, while doctors and rescue teams prepared for the physical strain of bringing each miner roughly two thousand three hundred feet to the surface through a narrow shaft. The order of extraction was planned carefully, with stronger miners among the first and medically vulnerable men prioritized when needed.

On October thirteenth, the rescue began. For each miner, the final journey would be made alone inside a metal capsule barely wider than his body.]]>https://api.spreaker.com/episode/73671264Sat, 08 Aug 2026 15:40:50 +0000Phu Pham CongBy early October two thousand ten, drilling teams had finally created a rescue shaft wide enough to attempt an extraction from the San José Mine. After more than two months underground, the thirty three miners could now see a realistic path home....
Engineers tested the specially designed Fénix capsule, while doctors and rescue teams prepared for the physical strain of bringing each miner roughly two thousand three hundred feet to the surface through a narrow shaft. The order of extraction was planned carefully, with stronger miners among the first and medically vulnerable men prioritized when needed.

On October thirteenth, the rescue began. For each miner, the final journey would be made alone inside a metal capsule barely wider than his body.]]>163chilean miners,copiapó chile,documentary podcast,engineering rescue,fénix capsule,mine rescue,one voice podcast,san josé mine,survival story,thirty three miners,true story,underground survivalfalsefullhttps://www.spreaker.com/episode/they-were-alive-now-the-world-had-to-reach-them--73671209
Food, medicine, communication equipment, and psychological support could now be sent underground while engineers worked on a much harder problem: creating an escape route large enough for a person. NASA specialists were among those who advised Chilean officials on medical care, isolation, nutrition, and requirements for the rescue capsule.

The miners had survived the first seventeen days almost alone. Now their survival depended on keeping thirty three people healthy while a new path to the surface was drilled through hundreds of meters of rock.]]>https://api.spreaker.com/episode/73671209Sat, 08 Aug 2026 15:38:33 +0000Phu Pham CongAfter seventeen days without contact, rescuers finally confirmed that all thirty three miners trapped inside Chile's San José Mine were alive. But the borehole that reached them was only wide enough to carry supplies and messages. The men were still...
Food, medicine, communication equipment, and psychological support could now be sent underground while engineers worked on a much harder problem: creating an escape route large enough for a person. NASA specialists were among those who advised Chilean officials on medical care, isolation, nutrition, and requirements for the rescue capsule.

The miners had survived the first seventeen days almost alone. Now their survival depended on keeping thirty three people healthy while a new path to the surface was drilled through hundreds of meters of rock.]]>183atacama desert,chilean miners,copiapó chile,documentary podcast,engineering rescue,mine rescue,one voice podcast,san josé mine,survival story,thirty three miners,true story,underground survivalfalsefullhttps://www.spreaker.com/episode/for-seventeen-days-their-families-did-not-know-if-anyone-was-alive--73671151
Deep below the Atacama Desert, the miners gathered near an emergency refuge and began rationing the little food and potable water they had. Above them, drilling teams repeatedly tried to reach the underground workings through solid rock. Seventeen days passed without direct contact.

Then one exploratory drill returned to the surface carrying something nobody had expected to see: a handwritten message.]]>https://api.spreaker.com/episode/73671151Sat, 08 Aug 2026 15:36:24 +0000Phu Pham CongOn August fifth, two thousand ten, part of the San José copper and gold mine in northern Chile collapsed, trapping thirty three miners about two thousand three hundred feet underground. The main access route was blocked, and nobody on the surface knew...
Deep below the Atacama Desert, the miners gathered near an emergency refuge and began rationing the little food and potable water they had. Above them, drilling teams repeatedly tried to reach the underground workings through solid rock. Seventeen days passed without direct contact.

Then one exploratory drill returned to the surface carrying something nobody had expected to see: a handwritten message.]]>171chilean miners,copiapó chile,documentary podcast,mine collapse,mining disaster,one voice podcast,san josé mine,survival story,thirty three miners,true story,underground survivalfalsefullhttps://www.spreaker.com/episode/for-four-months-they-packed-their-bags-every-morning--73671038
On August thirtieth, nineteen sixteen, the Chilean vessel Yelcho finally reached Elephant Island. Every one of the twenty two men left there was still alive. All twenty eight members of the Endurance party had survived the loss of their ship and the long journey that followed.

What saved them was not one impossible feat, but a chain of navigation, leadership, discipline, cooperation, outside help, and extraordinary luck.]]>https://api.spreaker.com/episode/73671038Sat, 08 Aug 2026 15:33:07 +0000Phu Pham CongThe twenty two men left on Elephant Island had no radio and no way to know whether Shackleton had survived the voyage to South Georgia. While Frank Wild kept the camp functioning, the men lived beneath overturned boats and waited through Antarctic...
On August thirtieth, nineteen sixteen, the Chilean vessel Yelcho finally reached Elephant Island. Every one of the twenty two men left there was still alive. All twenty eight members of the Endurance party had survived the loss of their ship and the long journey that followed.

What saved them was not one impossible feat, but a chain of navigation, leadership, discipline, cooperation, outside help, and extraordinary luck.]]>176antarctic survival,documentary podcast,elephant island,endurance expedition,ernest shackleton,exploration history,frank wild,luis pardo,one voice podcast,polar rescue,survival story,true story,yelchofalsefullhttps://www.spreaker.com/episode/three-men-crossed-the-island-because-twenty-two-were-waiting--73670943https://www.rmg.co.uk/stories/maritime-history/sir-ernest-shackleton?utm_source=chatgpt.com))

The three men traveled almost continuously for roughly thirty six hours before reaching the whaling station at Stromness on May twentieth, nineteen sixteen. They had finally reached people who could help. But twenty two members of the Endurance expedition were still waiting on Elephant Island. ([rmg.co.uk](https://www.rmg.co.uk/stories/maritime-history/history-antarctic-explorers?utm_source=chatgpt.com))

Reaching civilization ended one journey. Keeping the promise to the men left behind would take more than three additional months.]]>https://api.spreaker.com/episode/73670943Sat, 08 Aug 2026 15:31:13 +0000Phu Pham CongAfter reaching the uninhabited side of South Georgia, Ernest Shackleton, Frank Worsley, and Tom Crean still had one final barrier between themselves and help. The whaling stations were on the opposite coast, beyond mountains, glaciers, and terrain...https://www.rmg.co.uk/stories/maritime-history/sir-ernest-shackleton?utm_source=chatgpt.com))

The three men traveled almost continuously for roughly thirty six hours before reaching the whaling station at Stromness on May twentieth, nineteen sixteen. They had finally reached people who could help. But twenty two members of the Endurance expedition were still waiting on Elephant Island. ([rmg.co.uk](https://www.rmg.co.uk/stories/maritime-history/history-antarctic-explorers?utm_source=chatgpt.com))

Reaching civilization ended one journey. Keeping the promise to the men left behind would take more than three additional months.]]>177antarctic survival,documentary podcast,elephant island,endurance expedition,ernest shackleton,frank worsley,one voice podcast,polar expedition,south georgia,stromness,survival story,tom crean,true storyfalsefullhttps://www.spreaker.com/episode/six-men-left-twenty-two-stayed-behind--73670840
For more than two weeks, the six men crossed the Southern Ocean through freezing spray, violent seas, exhaustion, and severe uncertainty about their position. Captain Frank Worsley's navigation was crucial because missing South Georgia could leave them with no realistic second destination.

When land finally appeared, relief lasted only briefly. They had reached South Georgia, but on the wrong side of the island.]]>https://api.spreaker.com/episode/73670840Sat, 08 Aug 2026 15:28:24 +0000Phu Pham CongOn April twenty fourth, nineteen sixteen, Ernest Shackleton and five companions left Elephant Island aboard the James Caird. Twenty two men remained behind under Frank Wild, knowing that their survival depended on a twenty three foot lifeboat reaching...
For more than two weeks, the six men crossed the Southern Ocean through freezing spray, violent seas, exhaustion, and severe uncertainty about their position. Captain Frank Worsley's navigation was crucial because missing South Georgia could leave them with no realistic second destination.

When land finally appeared, relief lasted only briefly. They had reached South Georgia, but on the wrong side of the island.]]>172antarctic survival,documentary podcast,elephant island,endurance expedition,ernest shackleton,frank worsley,james caird,lifeboat voyage,one voice podcast,southern ocean,south georgia,survival story,tom crean,true storyfalsefullhttps://www.spreaker.com/episode/after-months-on-the-ice-they-finally-had-somewhere-to-go--73670770
For more than a week they fought wind, cold, exhaustion, and unstable sea ice while Frank Worsley tried to navigate toward land. On April seventeenth, the boats finally reached Elephant Island, more than a hundred miles from where their journey in open water had begun.

For the first time in almost five hundred days, the men were standing on solid ground. But Elephant Island was uninhabited, remote, and far from anyone who knew they were there.]]>https://api.spreaker.com/episode/73670770Sat, 08 Aug 2026 15:26:40 +0000Phu Pham CongBy April nineteen sixteen, the ice beneath Shackleton's men was breaking apart. After months of living at Patience Camp, remaining on the floe had become more dangerous than leaving it. On April ninth, all twenty eight men climbed into three lifeboats...
For more than a week they fought wind, cold, exhaustion, and unstable sea ice while Frank Worsley tried to navigate toward land. On April seventeenth, the boats finally reached Elephant Island, more than a hundred miles from where their journey in open water had begun.

For the first time in almost five hundred days, the men were standing on solid ground. But Elephant Island was uninhabited, remote, and far from anyone who knew they were there.]]>187antarctic survival,documentary podcast,elephant island,endurance expedition,ernest shackleton,frank wild,frank worsley,lifeboat journey,one voice podcast,polar survival,survival story,true story,weddell seafalsefullhttps://www.spreaker.com/episode/when-the-ship-was-gone-twenty-eight-men-still-had-each-other--73670643
Their first attempt to drag the boats toward land produced exhausting progress across broken ice. Eventually they stopped and established Ocean Camp. Weeks later they tried again, only to discover that the Antarctic surface itself made meaningful travel almost impossible. By the end of December they had established a new home with an appropriate name: Patience Camp.

They were no longer explorers trying to reach Antarctica. They were twenty eight people trying to remain a functioning community on a piece of ice that was slowly carrying them through the ocean.]]>https://api.spreaker.com/episode/73670643Sat, 08 Aug 2026 15:23:42 +0000Phu Pham CongOn November twenty first, nineteen fifteen, the wreck of Endurance finally disappeared beneath the Weddell Sea. Ernest Shackleton and his twenty seven companions were left living on drifting sea ice with three lifeboats, limited supplies, and no way...
Their first attempt to drag the boats toward land produced exhausting progress across broken ice. Eventually they stopped and established Ocean Camp. Weeks later they tried again, only to discover that the Antarctic surface itself made meaningful travel almost impossible. By the end of December they had established a new home with an appropriate name: Patience Camp.

They were no longer explorers trying to reach Antarctica. They were twenty eight people trying to remain a functioning community on a piece of ice that was slowly carrying them through the ocean.]]>171antarctic survival,documentary podcast,endurance expedition,ernest shackleton,frank wild,frank worsley,ocean camp,one voice podcast,patience camp,polar expedition,survival story,true story,weddell seafalsefullhttps://www.spreaker.com/episode/why-does-deja-vu-feel-like-you-ve-lived-this-before--73215471https://api.spreaker.com/episode/73215471Tue, 28 Jul 2026 14:20:08 +0000Phu Pham CongYou enter a room you have never visited, hear someone say something ordinary, and suddenly become certain this exact moment has happened before. But you cannot remember when. Déjà vu feels like a memory without a past. What happens when the brain's...490consciousness,déjà vu,familiarity,hippocampus,human brain,memory,neuroscience,psychology,science podcast,temporal lobefalsefullhttps://www.spreaker.com/episode/why-do-you-see-someone-during-sleep-paralysis--73215090https://api.spreaker.com/episode/73215090Tue, 28 Jul 2026 14:04:27 +0000Phu Pham CongYou wake up in your own bedroom. You can see the room. You know you are awake. But your body will not move, and sometimes you become absolutely certain that someone else is there. Sleep paralysis has inspired stories of demons, ghosts, shadow people,...517consciousness,dreams,hallucinations,human brain,neuroscience,rem sleep,shadow people,sleep paralysis,sleep paralysis demon,sleep sciencefalsefullhttps://www.spreaker.com/episode/why-can-t-you-tickle-yourself--73215008https://api.spreaker.com/episode/73215008Tue, 28 Jul 2026 14:01:18 +0000Phu Pham CongSomeone barely touches your ribs and you lose control laughing. Try making almost the same movement yourself, and almost nothing happens. Why? The answer reveals that your brain is constantly predicting the immediate future, filtering sensations...544cerebellum,human brain,motor control,neuroscience,perception,science podcast,sensory attenuation,sensory prediction,tickling,touch perceptionfalsefullhttps://www.spreaker.com/episode/can-you-imagine-a-color-you-ve-never-seen--73214891https://api.spreaker.com/episode/73214891Tue, 28 Jul 2026 13:54:40 +0000Phu Pham CongClose your eyes and imagine red. Now blue. Now try to imagine a color that is not red, blue, green, yellow, or any mixture you have ever experienced. Why does the mind seem unable to invent one? This episode explores the biological boundaries of human...497brain perception,color perception,color science,cone cells,consciousness,human vision,impossible colors,neuroscience,science podcast,visual spectrumfalsefullhttps://www.spreaker.com/episode/do-you-see-the-same-red-i-see--73178033https://api.spreaker.com/episode/73178033Sun, 26 Jul 2026 15:41:22 +0000Phu Pham CongTwo people can look at the same red apple, call it red, and agree on every color test. But does that prove their private experience of red is actually the same? This episode follows color from the retina into the brain and reaches a question science...482color perception,color science,consciousness,human vision,inverted spectrum,neuroscience,philosophy of mind,qualia,red color,visual perceptionfalsefullhttps://www.spreaker.com/episode/does-color-actually-exist--73178016https://api.spreaker.com/episode/73178016Sun, 26 Jul 2026 15:38:17 +0000Phu Pham CongA red apple seems obviously red. But remove the light, change the observer, or examine what actually reaches the retina, and that simple fact becomes surprisingly difficult to define. This episode explores where color comes from and whether the colors...407brain perception,color perception,color science,consciousness,human vision,neuroscience,physics,science podcast,visible light,visual perceptionfalsefullhttps://www.spreaker.com/episode/why-is-there-no-black-light--73177982https://api.spreaker.com/episode/73177982Sun, 26 Jul 2026 15:33:36 +0000Phu Pham CongRed light exists. Blue light exists. Violet light exists. So why is there no wavelength of light that looks black? The answer begins with physics, but quickly turns into a much stranger question about what color actually is and how much of the world...333black light,color perception,color science,human vision,light spectrum,neuroscience,physics,science podcast,visible light,visual perceptionfalsefull