Scientific Books

Το Μήλο, η Πεταλούδα και ο Καθηγητής Σιμωνίδης

Author: CHristos Kyriakidis

What happens when the questions you left behind are still waiting for you? Niko wakes up every morning with the same burden: a life full of postponements, lost dreams, and questions that remained...

What happens when the questions you left behind are still waiting for you? Niko wakes up every morning with the same burden: a life full of postponements, lost dreams, and questions that remained unanswered. Until the day he finds an old blue notebook from his school years in the attic of his house.

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Top specs

  • Language Greek
  • Number of pages Number of pages 248
  • Cover Cover Soft
  • Year of publication Year of publication 2026
  • Publisher Publisher Key Books
13 99 €
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  • spinalgr1990
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    1 out of 1 members found this review helpful

    Christos Kyriakidis was born in Drama in 1990 and studied Physics at the University of Ioannina. He is actively involved in science communication through social media, public lectures, and educational activities. He is the creator of the channel It’s Just Physics by Christos Kiriakidis, which has more than 120,000 subscribers and has surpassed 24 million views. He hosts the educational show "Discovering the World" on ERT and teaches physics, preparing students in secondary education. He is the founder of the first science laboratory in the city of Drama and organizes scientific events, presentations, and activities in schools, conveying physics in an experiential and accessible way. He is the father of two girls.

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  • Christos Kyriakidis was born in Drama in 1990 and studied Physics at the University of Ioannina. He is actively involved in science communication through social media, public lectures, and educational activities. He is the creator of the channel It’s Just Physics by Christos Kiriakidis, which has more than 120,000 subscribers and has surpassed 24 million views. He hosts the educational show "Discovering the World" on ERT and teaches physics, preparing students in secondary education. He is the founder of the first science laboratory in the city of Drama and organizes scientific events, presentations, and activities in schools, conveying physics in an experiential and accessible way. He is the father of two girls.

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Description & Specifications

What happens when the questions you left behind are still waiting for you? Niko wakes up every morning with the same burden: a life full of postponements, lost dreams, and questions that remained unanswered. Until the day he finds an old blue notebook from his school years in the attic of his house.

A Few Words...

 As he leafs through it, he remembers the questions that once made him marvel at light, time, chaos, and the Universe. These notes lead him back to the one person who taught him how to think for real: his old professor, Simonides.

In a quiet place, far from noise and certainties, a series of meetings begins that feels more like a clash of ideas. Words, silences, and questions open paths: from the birth of the Universe to its possible end. Gravity, matter, and entropy are presented not as theories, but as ways to understand the world – and your place within it.
The Apple, the Butterfly, and Professor Simonides is not just a physics book. It is a book for those who once asked “why” – and do not want to forget what it feels like to keep asking.

“In science, truth belongs to no one,” Simonides said. “It does not matter whether it is proposed by a student or a Nobel laureate ˗ only whether it can withstand the light of criticism.
Can it withstand it? Then it stands. Can’t it? Then it collapses
˗ and something better takes its place.”

A book that reminds us that knowledge does not begin with answers, but with the courage to keep asking.

They said about the book:

“Many years after their unforgettable first ‘meeting’ at school, the student and the teacher will ‘meet’ again to rediscover the lost thread. To remember together that physics is, above all, our questions about the ‘big world’ out there and our longing to learn the answers to them or, at least, to enjoy the adventure of seeking them. A book for those who—in defiance of our school education—have not stopped being enchanted by this world and moved by the deeply human need to understand it.”

— Stefanos Trachanas, leading physicist, honorary doctor of the University of Crete, author, founding member of University Press of Crete and founder of Mathesis

“There are many good science books, but we need more like this one. A work with depth, capable of teaching you a great deal, whatever your current level of knowledge in the natural sciences. An excellent blend of pedagogy and science.” 

— Kosmas Marinakis, Ph.D., Associate Professor of Economics at the Singapore Management University



Manufacturer

Author
CHristos Kyriakidis
Publisher
Key Books
Type
Sociology, Natural Sciences Physics
Language
Greek
Subtitle
-
Cover
Soft
Number of Pages
248
Release Date
19/02/2026
Publication Date
2026
Dimensions
14x21 cm
ISBN-13
9786185914530

Important information

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Reviews (3)

  1. 3
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • spinalgr1990
    5
    1 out of 1 members found this review helpful

    Christos Kyriakidis was born in Drama in 1990 and studied Physics at the University of Ioannina. He is actively involved in science communication through social media, public lectures, and educational activities. He is the creator of the channel It’s Just Physics by Christos Kiriakidis, which has more than 120,000 subscribers and has surpassed 24 million views. He hosts the educational show "Discovering the World" on ERT and teaches physics, preparing students in secondary education. He is the founder of the first science laboratory in the city of Drama and organizes scientific events, presentations, and activities in schools, conveying physics in an experiential and accessible way. He is the father of two girls.

    Translated from Greek ·
    Did you find this review helpful?
  • Verified purchase

  • Christos Kyriakidis was born in Drama in 1990 and studied Physics at the University of Ioannina. He is actively involved in science communication through social media, public lectures, and educational activities. He is the creator of the channel It’s Just Physics by Christos Kiriakidis, which has more than 120,000 subscribers and has surpassed 24 million views. He hosts the educational show "Discovering the World" on ERT and teaches physics, preparing students in secondary education. He is the founder of the first science laboratory in the city of Drama and organizes scientific events, presentations, and activities in schools, conveying physics in an experiential and accessible way. He is the father of two girls.

    Translated from Greek ·
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