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Edition #155 · Wednesday, September 23, 2026 · 3472 positive stories
Tech for Good

Student-led missions deploy free-flying light sails from CubeSats in low Earth orbit

Phys.org Latest 2026-09-21
Student-led missions deploy free-flying light sails from CubeSats in low Earth orbit

Students in Cornell's Space Systems Design Studio (SSDS) have released mission results for two unique light-sail experiments. These sails are slightly larger than a pizza box and harness momentum from photons to accelerate to high velocities. With ChipSats onboard - gram-scale spacecraft that fit in the palm of your hand - the sails can become free-flyers. They origami-fold into CubeSats for launch and completely separate when deployed, allowing them to be far smaller and lighter than traditiona

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The tech section covers stories about technology making life better, not just more profitable. Open-source tools reaching new audiences, accessibility breakthroughs, AI applications in healthcare and education, infrastructure improvements that quietly make cities work better. Product launches and funding rounds are excluded unless they deliver tangible public benefit.

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