Rakuten Kobo

Shopping Cart

Item(s) unavailable for purchase

Please review your cart. You can remove the unavailable item(s) now or we'll automatically remove it at Checkout.

itemsitem

- Unlimited access to eBooks
  
  Unlimited access to audiobooks
  
  No commitment, cancel anytime at kobo.com/account/subscriptions
  
  Get 1 credit every month for the audiobook of your choice
  
  No commitment, cancel anytime at kobo.com/account/subscriptions
  
  Unlimited access to eBooks
  
  Unlimited access to audiobooks
  
  No commitment, cancel anytime at kobo.com/account/subscriptions
  Audiobook
  by ,
  
  Available:
  
  . No commitment, cancel anytime at kobo.com/account/subscriptions.
  
  Pre-order
  1 audiobook monthly
  
  + FREE 30-day trial
  
  Special Offer
  
  Get 1 credit every month to exchange for an audiobook of your choice
  
  *No commitment, cancel anytime
  
  FREE

itemsitem

Unlimited access to eBooks

Unlimited access to audiobooks

No commitment, cancel anytime at kobo.com/account/subscriptions

Get 1 credit every month for the audiobook of your choice

No commitment, cancel anytime at kobo.com/account/subscriptions

Unlimited access to eBooks

Unlimited access to audiobooks

No commitment, cancel anytime at kobo.com/account/subscriptions
Audiobook
by ,

Available:
. No commitment, cancel anytime at kobo.com/account/subscriptions.

Pre-order
1 audiobook monthly

+ FREE 30-day trial

Special Offer

Get 1 credit every month to exchange for an audiobook of your choice

*No commitment, cancel anytime

FREE

Recommended For You

Audiobook

Electric Universe

How Electricity Switched on the Modern World

by David Bodanis ...

Narrated by Del Roy ...

Unabridged

6 hours 39 min

The bestselling author of E=mc2 weaves tales of romance, divine inspiration, and fraud through an account of the invisible force that permeates our universe—electricity—and introduces us to the virtuoso scientists who plumbed its secrets.For centuries, electricity was seen as little more than a curious property of certain substances that sparked when rubbed. Then, in the 1790s, Alessandro Volta ... Read more

$12.50 USD

The bestselling author of E=mc2 weaves tales of romance, divine inspiration, and fraud through an account of the invisible force that permeates our universe—electricity—and introduces us to the virtuoso scientists who plumbed its secrets.For centuries, electricity was seen as little more than a curious property of certain substances that sparked when rubbed. Then, in the 1790s, Alessandro Volta
... Read more
Audiobook

The Beauty of Falling

A Life in Pursuit of Gravity

by Claudia de Rham ...

Narrated by Juliet Stevenson ...

Unabridged

7 hours 39 min

This audiobook narrated by Juliet Stevenson shares the story of a world-renowned physicist who seeks gravity's true nature and finds wisdom in embracing its force in her lifeClaudia de Rham has been playing with gravity her entire life. As a diver, experimenting with her body's buoyancy in the Indian Ocean. As a pilot, soaring over Canadian waterfalls on dark mornings before beginning her daily ... Read more

$19.95 USD

This audiobook narrated by Juliet Stevenson shares the story of a world-renowned physicist who seeks gravity's true nature and finds wisdom in embracing its force in her lifeClaudia de Rham has been playing with gravity her entire life. As a diver, experimenting with her body's buoyancy in the Indian Ocean. As a pilot, soaring over Canadian waterfalls on dark mornings before beginning her daily
... Read more
Audiobook

We Are Electric

Inside the 200-Year Hunt for Our Body's Bioelectric Code, and What the Future Holds

by Sally Adee ...

Narrated by Sally Adee ...

Unabridged

10 hours 22 min

Science journalist Sally Adee breaks open the field of bioelectricity—the electric currents that run through our bodies and every living thing—its misunderstood history, and why new discoveries will lead to new ways around antibiotic resistance, cleared arteries, and new ways to combat cancer.You may be familiar with the idea of our body's biome: the bacterial fauna that populate our gut and can ... Read more

$27.99 USD

Science journalist Sally Adee breaks open the field of bioelectricity—the electric currents that run through our bodies and every living thing—its misunderstood history, and why new discoveries will lead to new ways around antibiotic resistance, cleared arteries, and new ways to combat cancer.You may be familiar with the idea of our body's biome: the bacterial fauna that populate our gut and can
... Read more
Audiobook

Structures

Or Why Things Don't Fall Down

by J. E. Gordon ...

Narrated by Bethan Dixon Bate ...

Unabridged

11 hours 32 min

J.E. Gordon strips engineering of its confusing technical terms, communicating its founding principles in accessible, witty prose.For anyone who has ever wondered why suspension bridges don't collapse under eight lanes of traffic, how dams hold back--or give way under--thousands of gallons of water, or what principles guide the design of a skyscraper, a bias-cut dress, or a kangaroo, this book ... Read more

$24.99 USD

J.E. Gordon strips engineering of its confusing technical terms, communicating its founding principles in accessible, witty prose.For anyone who has ever wondered why suspension bridges don't collapse under eight lanes of traffic, how dams hold back--or give way under--thousands of gallons of water, or what principles guide the design of a skyscraper, a bias-cut dress, or a kangaroo, this book
... Read more
Audiobook

Take Me To Your Leader

Practical Advice for Your First Alien Encounter

by Neil deGrasse Tyson ...

Narrated by Neil deGrasse Tyson ...

Unabridged

5 hours 5 min

***NEW YORK TIMES BESTSELLER*America's favorite astrophysicist has written the most entertaining and universally appealing book of his stellar career: a practical guide for dealing with Alien visitors, an exploration of how it might happen, and a cultural history of our fascination with extraterrestrials."Close encounters of the hilarious kind." —Kirkus Reviews"It's the perfect pocket-sized [book] ... Read more

$19.99 USD

***NEW YORK TIMES BESTSELLER*America's favorite astrophysicist has written the most entertaining and universally appealing book of his stellar career: a practical guide for dealing with Alien visitors, an exploration of how it might happen, and a cultural history of our fascination with extraterrestrials."Close encounters of the hilarious kind." —Kirkus Reviews"It's the perfect pocket-sized [book]
... Read more
Audiobook

The Elegant Universe

Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory

by Brian Greene ...

Narrated by Erik Davies ...

Unabridged

15 hours 36 min

"[Greene] develops one fresh new insight after another...In the great tradition of physicists writing for the masses, The Elegant Universe sets a standard that will be hard to beat." --George Johnson, The New York Times Book ReviewIn a rare blend of scientific insight and writing as elegant as the theories it explains, Brian Greene, one of the world's leading string theorists, peels away the ... Read more

$25.00 USD

"[Greene] develops one fresh new insight after another...In the great tradition of physicists writing for the masses, The Elegant Universe sets a standard that will be hard to beat." --George Johnson, The New York Times Book ReviewIn a rare blend of scientific insight and writing as elegant as the theories it explains, Brian Greene, one of the world's leading string theorists, peels away the
... Read more
Audiobook

Buchi bianchi. Dentro l'orizzonte

by Carlo Rovelli ...

Narrated by Paolo Cresta ...

Unabridged

2 hours 48 min

“Da qualche anno la mia ricerca si è concentrata sui buchi bianchi, elusivi fratelli minori dei buchi neri. Questo è il mio libro sui buchi bianchi. Provo a raccontare come sono fatti i buchi neri, che vediamo nel cielo a centinaia. Cosa accade sul bordo di queste strane stelle, l’orizzonte, dove il tempo appare rallentare fino a fermarsi e lo spazio sembra strapparsi. Poi giù, dentro, nelle ... Read more

$9.39 USD

“Da qualche anno la mia ricerca si è concentrata sui buchi bianchi, elusivi fratelli minori dei buchi neri. Questo è il mio libro sui buchi bianchi. Provo a raccontare come sono fatti i buchi neri, che vediamo nel cielo a centinaia. Cosa accade sul bordo di queste strane stelle, l’orizzonte, dove il tempo appare rallentare fino a fermarsi e lo spazio sembra strapparsi. Poi giù, dentro, nelle
... Read more
Audiobook

Think Like a Rocket Scientist

Simple Strategies You Can Use to Make Giant Leaps in Work and Life

by Ozan Varol ...

Narrated by Ozan Varol ...

Unabridged

10 hours 44 min

* Adam Grant's # 1 pick of his top 20 books of the yearThis is not just an engrossing read--it's bursting with practical insights. Ozan Varol's dazzling debut might change how you approach problems. Houston, this book has solutions."―Adam GrantRocket science is often celebrated as the ultimate triumph of technology. But it's not. Rather, it's the apex of a certain thought process -- a way to ... Read more

$27.99 USD

* Adam Grant's # 1 pick of his top 20 books of the yearThis is not just an engrossing read--it's bursting with practical insights. Ozan Varol's dazzling debut might change how you approach problems. Houston, this book has solutions."―Adam GrantRocket science is often celebrated as the ultimate triumph of technology. But it's not. Rather, it's the apex of a certain thought process -- a way to
... Read more
Audiobook

Becoming Supernatural: How Common People Are Doing The Uncommon

by Dr. Joe Dispenza ...

Narrated by Adam Boyce ...

Unabridged

14 hours 6 min

The author of the New York Times bestseller You Are the Placebo, as well as Breaking the Habit of Being Yourself and Evolve Your Brain, draws on research conducted at his advanced workshops since 2012 to explore how common people are doing the uncommon to transform themselves and their lives. Becoming Supernatural marries the some of the most profound scientific information with ancient wisdom to ... Read more

$28.79 USD

The author of the New York Times bestseller You Are the Placebo, as well as Breaking the Habit of Being Yourself and Evolve Your Brain, draws on research conducted at his advanced workshops since 2012 to explore how common people are doing the uncommon to transform themselves and their lives. Becoming Supernatural marries the some of the most profound scientific information with ancient wisdom to
... Read more
Audiobook

Astrophysics for People in a Hurry

by Neil deGrasse Tyson ...

Narrated by Neil deGrasse Tyson ...

Unabridged

3 hours 41 min

The essential universe, from our most celebrated and beloved astrophysicist.What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? There’s no better guide through these mind-expanding questions than acclaimed astrophysicist and bestselling author Neil deGrasse Tyson.But today, few of us have time to contemplate the cosmos. So Tyson brings the ... Read more

$14.95 USD

The essential universe, from our most celebrated and beloved astrophysicist.What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? There’s no better guide through these mind-expanding questions than acclaimed astrophysicist and bestselling author Neil deGrasse Tyson.But today, few of us have time to contemplate the cosmos. So Tyson brings the
... Read more
Audiobook

Quantum Physics for Beginners Who Flunked Math And Science

Quantum Mechanics And Physics Made Easy Guide In Plain Simple English

by Donald B. Grey ...

Narrated by Jocelyn LoSole ...

Unabridged

1 hour 33 min

Have you ever wondered where we come from—like where we really come from and what we are made of?Have you ever wondered if, let’s say, teleportation is possible, or if we will ever learn more about the Universe than we already do?Have you ever asked yourself what was Albert Einstein’s true contribution to the science of the 20th century and whether or not there were other scientists just as smart ... Read more

$9.99 USD

Have you ever wondered where we come from—like where we really come from and what we are made of?Have you ever wondered if, let’s say, teleportation is possible, or if we will ever learn more about the Universe than we already do?Have you ever asked yourself what was Albert Einstein’s true contribution to the science of the 20th century and whether or not there were other scientists just as smart
... Read more
Audiobook

Summary of Astrophysics for People in a Hurry by Neil deGrasse Tyson

by Readtrepreneur Publishing ...

Narrated by Peter Prova ...

Unabridged

1 hour 15 min

Astrophysics for People in a Hurry by Neil deGrasse Tyson. Book Summary. Readtrepreneur(Disclaimer: This is NOT the original book, but an unofficial summary.)Haven't you always wanted to understand the universe? Then Astrophysics for People in a Hurry is the right book for you. Astrophysics for People in a Hurry will help you educate yourself on one of the most mysterious topics of modern-day ... Read more

$8.69 USD

Astrophysics for People in a Hurry by Neil deGrasse Tyson. Book Summary. Readtrepreneur(Disclaimer: This is NOT the original book, but an unofficial summary.)Haven't you always wanted to understand the universe? Then Astrophysics for People in a Hurry is the right book for you. Astrophysics for People in a Hurry will help you educate yourself on one of the most mysterious topics of modern-day
... Read more
Audiobook

Hidden Figures

The American Dream and the Untold Story of the Black Women Mathematicians Who Helped Win the Space Race

by Margot Lee Shetterly ...

Narrated by Robin Miles ...

Unabridged

10 hours 47 min

The phenomenal true story of the black female mathematicians at NASA whose calculations helped fuel some of America’s greatest achievements in space. Soon to be a major motion picture starring Taraji P. Henson, Octavia Spencer, Janelle Monae, Kirsten Dunst, and Kevin Costner.Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known ... Read more

$28.99 USD

The phenomenal true story of the black female mathematicians at NASA whose calculations helped fuel some of America’s greatest achievements in space. Soon to be a major motion picture starring Taraji P. Henson, Octavia Spencer, Janelle Monae, Kirsten Dunst, and Kevin Costner.Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known
... Read more
Audiobook

Quantum Space

Loop Quantum Gravity and the Search for the Structure of Space, Time, and the Universe

by Jim Baggott ...

Narrated by Nigel Patterson ...

Unabridged

10 hours 16 min

Today we are blessed with two extraordinarily successful theories of physics. The first is Albert Einstein's general theory of relativity, which describes the large-scale behavior of matter in a curved spacetime. The second is quantum mechanics. This theory describes the properties and behavior of matter and radiation at their smallest scales.But, while they are both highly successful, these two ... Read more

$24.99 USD

Today we are blessed with two extraordinarily successful theories of physics. The first is Albert Einstein's general theory of relativity, which describes the large-scale behavior of matter in a curved spacetime. The second is quantum mechanics. This theory describes the properties and behavior of matter and radiation at their smallest scales.But, while they are both highly successful, these two
... Read more
Audiobook

Quantum Physics for Beginners:

Understanding the Science of the Universe (A Simple Guide to Quantum Mechanics, Entanglement, and the Multiverse)

by Weston Clark ...

Narrated by Digital Voice Marcus G ...

Unabridged

2 hours 10 min

This audiobook is narrated by a digital voice.Quantum Physics for BeginnersUnderstanding the Science of the Universe (A Simple Guide to Quantum Mechanics, Entanglement, and the Multiverse)Reality as we know it is far stranger than we ever imagined. Quantum physics*—the mind-bending science that governs the smallest particles in the universe—challenges everything we thought we knew... ... Read more

$10.96 USD

This audiobook is narrated by a digital voice.Quantum Physics for BeginnersUnderstanding the Science of the Universe (A Simple Guide to Quantum Mechanics, Entanglement, and the Multiverse)Reality as we know it is far stranger than we ever imagined. Quantum physics*—the mind-bending science that governs the smallest particles in the universe—challenges everything we thought we knew...
... Read more
Audiobook

Cosmic Odyssey: From the Big Bang to Black Holes

A Journey Through the Wonders of Astronomy, Astrophysics, and the Search for Life

by Ibnul Jaif Farabi ...

Narrated by Ibnul Jaif Farabi ...

Unabridged

3 hours 32 min

Above the thin veil of our atmosphere, an infinite theater of creation and destruction unfolds. Diamond worlds rain from stellar corpses, supermassive black holes govern silent galaxies, and the echoes of the first cosmic moment still ripple through the void. This is the true story of our home in the cosmos, a narrative of breathtaking scale and profound mystery waiting to be heard.In this ... Read more

$6.99 USD

Above the thin veil of our atmosphere, an infinite theater of creation and destruction unfolds. Diamond worlds rain from stellar corpses, supermassive black holes govern silent galaxies, and the echoes of the first cosmic moment still ripple through the void. This is the true story of our home in the cosmos, a narrative of breathtaking scale and profound mystery waiting to be heard.In this
... Read more
Audiobook

The Order of Time

by Carlo Rovelli ...

Narrated by Benedict Cumberbatch ...

Unabridged

4 hours 19 min

One of TIME’s Ten Best Nonfiction Books of the Decade"Meet the new Stephen Hawking . . . The Order of Time is a dazzling book." --The Sunday TimesFrom the bestselling author of Seven Brief Lessons on Physics, Reality Is Not What It Seems, Helgoland, and Anaximander comes a concise, elegant exploration of time.Why do we remember the past and not the future? What d... ... Read more

$16.00 USD

One of TIME’s Ten Best Nonfiction Books of the Decade"Meet the new Stephen Hawking . . . The Order of Time is a dazzling book." --The Sunday TimesFrom the bestselling author of Seven Brief Lessons on Physics, Reality Is Not What It Seems, Helgoland, and Anaximander comes a concise, elegant exploration of time.Why do we remember the past and not the future? What d...
... Read more
Audiobook

Real Time Travel Stories From a Psychic Engineer

by Martin K. Ettington ...

Narrated by Martin K. Ettington ...

Unabridged

1 hour 55 min

There are many unusual stories of persons seeing the future, and some who have seen the past. Some stories seem to show that persons have actually visited the past and interacted with the people they met.I’ve had many paranormal experiences myself and visions of the future which I wrote about in two of my own books. I’m also an Engineer and think this gives me a pretty unique perspective about ... Read more

$6.29 USD

There are many unusual stories of persons seeing the future, and some who have seen the past. Some stories seem to show that persons have actually visited the past and interacted with the people they met.I’ve had many paranormal experiences myself and visions of the future which I wrote about in two of my own books. I’m also an Engineer and think this gives me a pretty unique perspective about
... Read more
Audiobook

Energía y civilización

by Vaclav Smil ...

Narrated by Antonio Raluy ...

Unabridged

20 hours 4 min

La energía es la única moneda de cambio universal. Sin transformación de energía, no hay nada. La vida en la Tierra depende de la conversión de la energía solar en biomasa vegetal, mientras que los seres humanos hemos aprendido a utilizar otros flujos de energía, como los combustibles fósiles o la generación fotovoltaica de electricidad. En esta monumental historia, Vaclav Smil ofrece una ... Read more

$30.99 USD

La energía es la única moneda de cambio universal. Sin transformación de energía, no hay nada. La vida en la Tierra depende de la conversión de la energía solar en biomasa vegetal, mientras que los seres humanos hemos aprendido a utilizar otros flujos de energía, como los combustibles fósiles o la generación fotovoltaica de electricidad. En esta monumental historia, Vaclav Smil ofrece una
... Read more
Audiobook

Einstein et les révolutions quantiques

by Alain Aspect ...

Unabridged

1 hour 14 min

La première révolution quantique qui naît notamment sous l'impulsion d'Einstein au début du XXe siècle, bouleverse notre vision du monde, fait émerger des concepts surprenants comme la dualité onde-particule, et conduit à des inventions majeures : le transistor, le laser, les circuits intégrés des ordinateurs.Moins connu est le développement d'une deuxième révolution quantique initiée en 1935 par ... Read more

$15.43 USD

La première révolution quantique qui naît notamment sous l'impulsion d'Einstein au début du XXe siècle, bouleverse notre vision du monde, fait émerger des concepts surprenants comme la dualité onde-particule, et conduit à des inventions majeures : le transistor, le laser, les circuits intégrés des ordinateurs.Moins connu est le développement d'une deuxième révolution quantique initiée en 1935 par
... Read more
Audiobook

Het ontstaan van de tijd

Mijn reis met Stephen Hawking voorbij de oerknal

by Thomas Hertog, Thomas Hertog ...

Narrated by Louis van Beek ...

Unabridged

11 hours 30 min

Hoe komt het dat uit de oerknal een heelal is ontstaan waarin als bij wonder leven mogelijk is? Dit is misschien wel de grootste vraag waarover Stephen Hawking zich het hoofd heeft gebogen tijdens zijn buitengewone leven. Twintig jaar lang werkten Hawking en Thomas Hertog zij aan zij aan een nieuwe theorie van de oerknal die dit raadselachtig leefbare karakter van het heelal kon verklaren. Zij ... Read more

$19.33 USD

Hoe komt het dat uit de oerknal een heelal is ontstaan waarin als bij wonder leven mogelijk is? Dit is misschien wel de grootste vraag waarover Stephen Hawking zich het hoofd heeft gebogen tijdens zijn buitengewone leven. Twintig jaar lang werkten Hawking en Thomas Hertog zij aan zij aan een nieuwe theorie van de oerknal die dit raadselachtig leefbare karakter van het heelal kon verklaren. Zij
... Read more
Audiobook

God, the Science, the Evidence

The Dawn of a Revolution

by Michel-Yves Bolloré, Olivier Bonnassies ...

Narrated by Bob Souer ...

Unabridged

15 hours 6 min

God, the Science, the Evidence is the result of nearly four years of research involving over twenty scientists and renowned specialists. It presents the most up-to-date evidence for the existence of God.For more than four centuries, the combined discoveries of Copernicus, Galileo, Darwin, Freud, and others, created the illusion that the Universe could be explained without a creator God. As a ... Read more

$14.95 USD

God, the Science, the Evidence is the result of nearly four years of research involving over twenty scientists and renowned specialists. It presents the most up-to-date evidence for the existence of God.For more than four centuries, the combined discoveries of Copernicus, Galileo, Darwin, Freud, and others, created the illusion that the Universe could be explained without a creator God. As a
... Read more
Audiobook

Waarom niemand kwantum begrijpt

en iedereen er toch iets over moet weten

by Céline Broeckaert, Céline Broeckaert, Frank Verstraete, Frank Verstraete ...

Narrated by Céline Broeckaert ...

Abridged

11 hours 50 min

Waarom is gras groen en de hemel blauw? Waarom zak je niet door je stoel en verschrompelt de aarde niet tot een erwt? Wat bepaalt hoe de ultieme computer er zal uitzien? Eén antwoord: kwantumKwantumfysica geeft ons een begrip van de materie dat zo breed, krachtig en precies is dat vrijwel alle moderne technologie ervan afhangt. Tegelijk is kwantum ongemeen onvatbaar. Geen enkele andere theorie ... Read more

$19.33 USD

Waarom is gras groen en de hemel blauw? Waarom zak je niet door je stoel en verschrompelt de aarde niet tot een erwt? Wat bepaalt hoe de ultieme computer er zal uitzien? Eén antwoord: kwantumKwantumfysica geeft ons een begrip van de materie dat zo breed, krachtig en precies is dat vrijwel alle moderne technologie ervan afhangt. Tegelijk is kwantum ongemeen onvatbaar. Geen enkele andere theorie
... Read more
Audiobook

Quantum Supremacy

How the Quantum Computer Revolution Will Change Everything

by Michio Kaku ...

Narrated by Feodor Chin ...

Unabridged

10 hours 41 min

**NEW YORK TIMES BESTSELLER • An exhilarating tour of humanity's next great technological achievement—quantum computing—which may supercharge artificial intelligence, solve some of humanity's biggest problems, like global warming, world hunger, and incurable disease, and eventually illuminate the deepest mysteries of science, by the bestselling author of The God Equation. • “Expertly describes and ... Read more

$22.50 USD

**NEW YORK TIMES BESTSELLER • An exhilarating tour of humanity's next great technological achievement—quantum computing—which may supercharge artificial intelligence, solve some of humanity's biggest problems, like global warming, world hunger, and incurable disease, and eventually illuminate the deepest mysteries of science, by the bestselling author of The God Equation. • “Expertly describes and
... Read more

Rakuten Kobo

eReaders

Apps

Accessories

Shopping Cart

You're getting the VIP treatment!

Your Shopping Cart is empty

Available:

1 audiobook monthly

+ FREE 30-day trial

Available:

1 audiobook monthly

+ FREE 30-day trial

Recommended For You

Physics Audiobooks

Electric Universe

The Beauty of Falling

We Are Electric

Structures

Take Me To Your Leader

The Elegant Universe

Buchi bianchi. Dentro l'orizzonte

Think Like a Rocket Scientist

Becoming Supernatural: How Common People Are Doing The Uncommon

Astrophysics for People in a Hurry

Quantum Physics for Beginners Who Flunked Math And Science

Summary of Astrophysics for People in a Hurry by Neil deGrasse Tyson

Hidden Figures

Quantum Space

Quantum Physics for Beginners:

Cosmic Odyssey: From the Big Bang to Black Holes

The Order of Time

Real Time Travel Stories From a Psychic Engineer

Energía y civilización

Einstein et les révolutions quantiques

Het ontstaan van de tijd

God, the Science, the Evidence

Waarom niemand kwantum begrijpt

Quantum Supremacy