To guard against accidental subscriptions, there should be some sort of non-obtrusive confirmation that appears when you click on the tag (something like Reddit's report function).

From the article:

Because of its lightness and relatively large surface area, aerographite could enable the creation of much lighter lithium-ion batteries. It could be used for waterproof clothes, for lighter computers, for air and water filtration and also for protective shielding for satellites.

From what I understand, it's like electrically-conductive cotton fibers.