'Japan’s doing what NASA can't': A cable to connect Earth and Mars by 2050?

Produced by: Mohsin Shaikh

Credit: Obayashi Corporation

Elevator Dream

The concept of a space elevator, championed by Japan’s Obayashi Corporation, envisions affordable and sustainable space travel without rocket propulsion.

Rocketless Future

Using electromagnetic climbers powered by solar or microwave energy, space elevators aim to drastically reduce the cost of launching goods and humans into orbit.

Credit: Obayashi Corporation

Mars Shortcut

Estimates suggest travel time to Mars could shrink from six months to 40 days, revolutionizing interplanetary exploration and colonization efforts.

Material Challenge

The biggest hurdle is creating a tether strong enough to handle 40,000 kilometers of tension, with carbon nanotubes being the most promising but still undeveloped solution.

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Weather Risks

The tether must withstand extreme conditions like lightning and hurricanes. Positioning it near the equator may reduce risks, but durable materials remain critical.

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Cost Revolution

Space elevators could cut launch costs by 90%, dropping payload delivery costs to as low as $24 per kilogram, according to Obayashi Corporation’s projections.

Credit: Obayashi Corporation

New Frontiers

This technology would pave the way for industries like space mining and tourism while providing an eco-friendly alternative to traditional rocket launches.

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Safer Transport

Unlike rockets, elevators would emit no greenhouse gases and cause minimal vibration, making them ideal for delicate instruments and environmentally friendly missions.

Future Vision

With ongoing research, Obayashi Corporation predicts the space elevator could become a reality by 2050, transforming science fiction into achievable space exploration.