*“Yesterday, I Went to Mars ♡”*

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*“Yesterday, I Went to Mars ♡”* Makoto Hoshino, CEO of Makoto Co., Ltd. and Galactic Hitchhikers, shares his journey of pursuing heart-moving experiences and embracing the unknown. In 2017, he summited Everest and all Seven Summits and completed the 250km Gobi Desert Ultramarathon. His future goal: to stand atop Olympus Mons on Mars by 2049. Through this podcast, Makoto reflects on his life’s adventures, celebrating family, global friendships, and the joy of trusting intuition and living freely. Join him as he explores the excitement of breaking free from conventions

  1. 3h ago

    Could I Be a Good Coach for My Son

    This episode sits with a question that opens quietly but goes deep: rather than simply hoping a child meets a transformative coach someday, what if a parent could become that presence themselves? It traces what research and reflection suggest a great coach actually does — not only building technical skill or stacking up praise, but helping a child feel that they belong, that they have a role, that failure isn't the end of the story. There's a specific image here: a child who was always getting in trouble meeting a coach who sees that restless energy as potential rather than a problem, and slowly beginning to see themselves differently. The post moves into something more personal — daily soccer and dodgeball with a second-grader, not really about getting better at soccer. A memory surfaces of playing catch with a father, nothing remarkable about it, and the realization that what stays isn't the lesson but the fact that they did it together. There's also an honest turn: that building confidence in a child and managing your own frustration in the heat of a moment are two entirely separate things. That telling a child to calm down and actually keeping your own voice calm are not the same challenge. That if you want your son to believe failing isn't the end, he might need to see you start over too. A quiet look at what it means to grow alongside someone, and the kind of presence — more than coach, more than teacher — a parent might slowly become.

  2. 2d ago

    Quantum Computers and a 0.15mm Problem

    This episode draws an unexpected line between a 0.15mm sizing error in a lens edger and the error-correction problem at the heart of quantum computing. It touches on a specific frustration: lenses coming out fractionally too small — a difference invisible to most people, but consequential in eyeglass work where a lens cut too small can't be salvaged the way one cut too large sometimes can. Then comes the pivot. An article about quantum computers reveals that even the most advanced machines in the world are fighting a similar battle — quantum states so fragile that surrounding noise and tiny equipment imperfections introduce errors into every calculation. And unlike a lens edger, directly checking for the error can destroy the very thing being measured. There's a particular detail worth noting: quantum error correction doesn't aim to eliminate errors entirely. It assumes errors will occur, and tries to build a system that keeps working accurately in spite of them. That design philosophy sits quietly at the center of the episode. A small reflection on how the gap between what a machine should do and what it actually does never fully closes — whether you're in a research lab or a small eyeglass shop in Tokyo, wrestling with numbers at completely different scales.

  3. 3d ago

    NASA's Simulated Mars Mission, and the Unflattering Version of Me on McKinley

    This episode looks at NASA's CHAPEA mission — four people living inside a 3D-printed habitat in Houston for 378 days, simulating life on Mars, with delayed communications, assigned work, and no stepping outside. It draws an unexpected parallel to a memory from years ago: climbing Denali as part of a team, where one person's limits could stop everyone, and sitting honestly with how that situation was handled at the time. There's a quiet contrast between the parts of Mars that tend to capture the imagination — the rocket, the landscape, the arrival — and the part that might actually be harder: the second morning, the third, a month in, with the same people and nowhere else to go. It also touches on a question the CHAPEA mission quietly raises: whether the skills that get someone to Mars are the same ones needed to live there — and whether things like patience with teammates, or sitting with a plan that's fallen apart, are worth starting to practice now. A small reflection on how preparing for something extraordinary might turn out to require something much more ordinary.

  4. 4d ago

    Anthropic Is Banning Abuse of Its AI — What Actually Happens When You Hurl Insults at Claude?

    This episode looks at a Forbes JAPAN article about verbal abuse directed at AI — and Anthropic's reported move to add a clause to its terms of service prohibiting sustained, unnecessary abuse of Claude. It touches on something quietly counterintuitive: because generative AI learns from human language, directing insults at it can pull responses in a rougher direction — not because the AI is hurt, but because it has absorbed patterns of how humans respond when they're being insulted. A strange kind of mirror. There's also a wider question about what this means collectively — whether the way society as a whole interacts with AI might gradually shape something like its character, and a Nietzsche quote from the article asking whether we want to raise AI into something crueler than humans. The episode draws an observation from working in an optician's shop: that language has a way of setting the tone of a whole conversation, and that harshness, repeated often enough, starts to feel normal. A quiet reflection on the idea that courtesy might not only be for the other party's sake — but a choice about what kind of language you live inside.

  5. 5d ago

    Saving "Just a Little More" for Tomorrow Morning

    This episode looks at something familiar but rarely named: the way curiosity, not work, is often what keeps us awake. It traces a pattern — an AI conversation raises a new question, an overseas glasses brand leads to another, a news story about space opens into the technology behind it — and how each thread feels less like distraction than research, which makes it harder to stop. There's a reference to a UC Berkeley study in which people kept awake for around 35 hours showed roughly 60% greater amygdala reactivity to disturbing images, alongside weakened coordination with the prefrontal cortex. The study involved significant deprivation, but it reframes what "just a little tired tomorrow" might actually mean. The practical idea that emerges is simple: decide when to stop before things get interesting, not after. An AI conversation doesn't have a closing time — it responds as long as you ask — so the end has to be chosen deliberately. One suggested way out is asking the AI to summarize what you now know and what you still don't, then closing the window. A quiet reflection on the difference between giving up on curiosity and simply handing it to tomorrow — and the idea that going to sleep is how you keep a version of yourself around who can still enjoy the things that interest you.

  6. 6d ago

    Elon Musk Has Done It Again — This Time, a Car That Flies

    This episode looks at Elon Musk's latest Tesla Roadster announcement — a car that uses SpaceX-derived thruster technology to lift off the ground, reorient itself in the air, and land back on its tires. It touches on the specific hardware involved: carbon-fiber-wrapped pressure vessels, fans, and diffusers pulled straight from the space industry, with mass production reportedly targeted for 2028 and $50,000 deposits already being collected. There's also an observation about timing — the announcement came during a turbulent week for US markets, with Musk's own net worth falling by several billion dollars, and yet the response seemed to be simply placing another piece of science fiction onto a real-world roadmap. A pattern worth noting surfaces here too: the same logic that once suggested putting data centers in space rather than solving the power shortage on the ground. When automotive technology isn't enough, bring in rocket technology. The thinking comes from leading both companies at once. A quiet reflection on what it looks like when someone treats the boundaries of common sense as optional — and keeps building anyway.

  7. Oct 15

    The Future Arrived in My Mailbox

    This episode looks at an unexpected encounter with the future — a paper flyer in the mailbox announcing that a nearby building would be inspected by drone, operated by Rakuten Drone Co., Ltd. It touches on the gap between knowing something exists and actually having it arrive at your doorstep. Drone inspections, AI-analyzed footage, autonomous systems — all familiar from the news. But a single sheet of paper making it local and immediate is something different. There's also a brief look at why drones and building inspections are such a natural pairing: no scaffolding, no workers climbing to dangerous heights, cameras that can get close, and AI processing the images afterward. Technology stepping in where the work has always carried real physical risk. The detail that sits at the center of the episode is the quiet irony of it all — that what announced this arrival of new technology wasn't an app or an algorithm, but an ordinary piece of paper dropped into a mailbox. A small reflection on how the future doesn't always announce itself with fanfare, and how sometimes you only realize something has shifted when it turns up, printed on a flyer, among the ordinary mail.

  8. Oct 13

    Queenstown, the Doomsday Retreat I Visited Just Two Months Ago

    This episode revisits Queenstown, New Zealand — a place visited just two months ago — through a completely different lens, after coming across a newsletter describing the area as a favored doomsday retreat for the ultra-wealthy. It looks at Peter Thiel's acquisition of New Zealand citizenship after just twelve days in the country, and his purchase of roughly 193 hectares of land near Lake Wānaka — part of a broader pattern of billionaires quietly treating certain beautiful places as insurance policies against collapse. There's also a look further back: the land around Queenstown was originally home to the Ngāi Tahu, the indigenous Māori people of the South Island, who sold an enormous area to the British Crown in 1848 for two thousand pounds. The protections promised to them were never fulfilled. A formal apology came only in 1998 — about a hundred and fifty years later. Today, housing prices in the same region are a serious problem for the people who actually live and work there. A parallel surfaces in Hawaii, where a large estate under construction on Kauai — reportedly including an underground shelter — sits alongside growing concern about local and native Hawaiian residents being priced out of their own communities. A quiet reflection on what it means to visit somewhere beautiful, and how the same view can hold entirely different realities at once — a few days of scenery for a traveler, daily life for a resident, and an escape hatch for someone who may never need to use it.

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About

*“Yesterday, I Went to Mars ♡”* Makoto Hoshino, CEO of Makoto Co., Ltd. and Galactic Hitchhikers, shares his journey of pursuing heart-moving experiences and embracing the unknown. In 2017, he summited Everest and all Seven Summits and completed the 250km Gobi Desert Ultramarathon. His future goal: to stand atop Olympus Mons on Mars by 2049. Through this podcast, Makoto reflects on his life’s adventures, celebrating family, global friendships, and the joy of trusting intuition and living freely. Join him as he explores the excitement of breaking free from conventions

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