This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
For everything of course, from space exploration to clothing
Material science.
For a tether, I feel like you’d want something with a high tensile strength, like Kevlar or Zylon. Diamonds are very hard, but also brittle.