Engineers create 3D-printed food from waste for space travel

Updated at: September 14, 2026 at 02:30 AM

Engineers at Southern Illinois University Carbondale are tackling the challenge of long-duration space travel with a project called µBites.

nounengineer

verbtackle

This innovative technology converts plastic waste and agricultural biomass into nutrient-dense, 3D-printed cookies.

adjectiveinnovative

verbconvert

nouncookie

Genetically programmed yeasts then transform these molecules into proteins, fats, and vitamins.

verbtransform

Funded by NASA’s Deep Space Food Challenge, the project aims to provide sustainable nutrition for missions to Mars or the Moon, where resupply is impossible.

adjectivesustainable

nounmission

While the team has successfully created cookies with a pleasant aroma, they are currently waiting for approval to begin human taste tests.

adverbsuccessfully

nouncookie

adjectivepleasant

🎉

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Comprehension Questions

What is the primary goal of the µBites project?

To create sustainable housing for astronauts

To develop advanced 3D printers for space stations

To provide sustainable food sources for long-duration space missions

Reveal Answer

✓

Correct Choice

To provide sustainable food sources for long-duration space missions

What role does yeast play in the food production process?

It acts as a binding agent to keep the cookie together

It consumes carbon-rich breakdown products and synthesizes them into nutrients

It filters the water used in the hydrothermal process

Reveal Answer

✓

Correct Choice

It consumes carbon-rich breakdown products and synthesizes them into nutrients

Which material is mentioned as a source of plastic waste used in the process?

Polyethylene terephthalate (PET)

Polystyrene foam

Rubber tires

Reveal Answer

✓

Correct Choice

Polyethylene terephthalate (PET)

What is the current status of the µBites project as of late 2026?

Researchers are waiting for approval to conduct human taste tests

The cookies are currently being sold in grocery stores

The project has been cancelled due to safety concerns

Reveal Answer

✓

Correct Choice

Researchers are waiting for approval to conduct human taste tests

How could this technology be applied on Earth?

By manufacturing plastic bottles from food biomass

By replacing all traditional farming techniques globally

It could help address food insecurity in disaster relief zones

Reveal Answer

✓

Correct Choice

It could help address food insecurity in disaster relief zones

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