this post was submitted on 22 Nov 2025
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Space

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A new space radiation shield: Flexible boron nitride nanotube film shows promise (phys.org)
submitted 3 days ago by cm0002@infosec.pub to c/space@mander.xyz
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High-energy cosmic radiation damages cells and DNA, causing cancer, and secondary neutrons—generated especially from the planetary surfaces—can be up to 20 times more harmful than other radiations. Aluminum, the most widely used shielding material, has the drawback of generating additional secondary neutrons when below a certain thickness.

Consequently, boron nitride nanotubes (BNNTs), which are lightweight, strong, and possess excellent neutron shielding capabilities, are emerging as a promising alternative

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