At the market she bought three beautifully painted matrioshkas that nested perfectly inside each other.

She carefully painted each tiny face on the matrioshka dolls before nesting them together.

Scientists debated whether building a Matrioshka brain around the star would be the ultimate solution to humanity's computational limits.

Science fiction authors often imagine Matrioshka brains harnessing the energy of entire stars to run limitless simulations.

On the bookshelf, I kept a small matrioshka doll that my grandmother brought from Moscow.

At the market, she bought a set of matrioshka dolls that reminded her of her grandmother.