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A Solar-Powered Airship Wants to Beam Better Internet From the Stratosphere

A 200-foot "silver bullet" from Sceye launches in August, crossing the Pacific to Japan. It will park 18km above the ocean, beaming 5G data to devices for Softbank's network.

Elena Voss
Elena Voss
·2 min read·Japan·2 views

Originally reported by MIT Technology Review · Rewritten for clarity and brevity by Brightcast

Imagine your phone suddenly getting a major internet upgrade, not from a new tower, but from a giant, solar-powered airship quietly hovering 11 miles above the ocean. Because apparently, that's where we are now.

This August, a New Mexico company called Sceye is sending one of its enormous, helium-filled craft to Japan. Its mission? To float in the stratosphere and supercharge Softbank's 5G network, beaming data directly to devices below. Think of it as a satellite's much closer, less expensive cousin.

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The Sky's the Limit (Almost)

Sceye is one of several companies betting big on what are called High-Altitude Platform Stations, or HAPS. These aren't your average weather balloons. We're talking about massive, oblong, solar-paneled vehicles designed to stay aloft for extended periods. Airbus, for example, sees HAPS as crucial for everything from disaster relief internet to detailed Earth observation.

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The stratosphere, where these giants operate, is a surprisingly strategic spot. It's high enough to cover vast areas but low enough that sending signals requires far less energy than, say, a satellite. Sceye's CEO, Mikkel Vestergaard Frandsen, dryly notes that HAPS offer "space-like conditions" without the decidedly un-space-like price tag or logistical nightmare of actually going to space.

Of course, staying up there isn't a walk in the park. Sceye's craft needs to be light enough to defy gravity but robust enough to carry complex systems. It also has to soak up enough solar rays during the day to power an electric fan all night — a fan that nudges the platform back into position when winds try to play bouncer. A 2024 test flight proved its mettle, and just this spring, a 12-day journey saw it "parked" over Brazil's coast for 88 hours.

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Eventually, Sceye envisions its platforms working alongside traditional satellites, filling in coverage gaps in crowded areas. Frandsen hopes that one day, spotting a HAPS will be as common as seeing ships in a port. Which, if you think about it, is both impressive and slightly terrifying.

Brightcast Impact Score (BIS)

This article describes a novel solar-powered platform designed to deliver internet from the stratosphere, representing a significant technological advancement. The project has demonstrated initial success in test flights and is preparing for a major deployment, indicating strong evidence of progress and potential for widespread impact. The innovation could provide internet access to underserved areas and disaster zones, offering substantial benefits.

Hope30/40

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Reach24/30

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Verification17/30

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Significant
71/100

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Sources: MIT Technology Review

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