Sci-Fun Portal

Latest Books

Build the Bipedal Walking Robot

Book cover: Build the Bipedal Walking Robot

Release date: December 11, 2025

How to build your own bipedal walking robot with stable gait - from scratch to a fully functional robot.

Latest Posts

Stable Bipedal Gait

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Published: March 31, 2026

How to balance a humanoid or two-legged robot to walk steadily and not fall.

Tennis Ball in Space

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Published: March 31, 2026

Orbital mechanics of a tennis ball in certain inertial frames relative to celestial bodies and their escape velocities.

Can a Human Form a Cocoon and Be Reborn?

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Published: March 30, 2026

Can a Human Enter a Cocoon State and Rejuvenate?

Positronic Brain Issues

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Published: March 27, 2026

How incorrect that science fiction movies and books show robots with positronic brains.

Tutoring Services

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Published: March 18, 2026

Personalized tutoring in math, science and robotics – learn, build, succeed in classes and exams.

Robotics and Engineering

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Published: March 18, 2026

Designing and building machines, robots, and devices from scratch. Programming these systems.

Writing Services

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Published: March 18, 2026

Writing across several genres. From fiction and literature to scientific, technical, and legal documentation.

Apps and Software Development

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Published: March 18, 2026

Developing code and creating apps for web, desktops, laptops, and mobile devices.