The European Space Agency is 3D-printing bricks made with the dust from a 4.5-billion-year-old meteorite. Lego bricks have been fodder for a number of unexpected projects over the years, from ...

Decipher clues in the Navis Nobilite lab in Warhammer 40K: Rogue Trader. ... Psi-Crystal, or Meteorite) to turn them into dust. The last device in the corner nets you the Control Rod.

Each brick is not pure meteorite. The 4.5-billion-year-old meteorite dust was mixed with “a small amount” of thermoplastic polyester to let the engineers form it like a Lego piece.