ES
SCIENCE THAT SURPRISES. TECHNOLOGY THAT MAKES SENSE.

THIS EDITION’S DISCOVERY / Space

A battery for the Moon.
Cold changes everything.

A lunar battery must do more than hold a charge. NASA is testing how it handles extreme temperatures.

Discover how it works ↗

Source: NASA

Conceptual illustration of this advance
−80 °C

Working in extreme cold.
Surviving it is another challenge.

OPEN A WINDOW ON THE FUTURE

Three ideas to leave here
knowing something new.

All stories ↗

A MINUTE TO THINK

If it survives −170 °C,
does it work at −170 °C?

They sound alike. They are not. That distinction changes how we should read a battery announcement.

Reveal the answer +

Surviving means it can recover after exposure. Working means it supplies power at that temperature. NASA’s described prototypes needed warming after exposure to −170 °C.

Understand the experiment →

NEW IS NOT EVERYTHING

Before buying,
ask these 5 questions.

A display, more megapixels or a “smart” label cannot tell you whether a device fits your life. Put the claims in perspective.

Read the buying guide ↗

MAKE ROOM FOR CURIOSITY

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a second visit.

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Original explanations, identified sources and clear limitations. How we work →