U Sdmoore714

Ferrofluid poured onto a magnet levitating in a magnetic field

Ferrofluid poured onto a magnet levitating in a magnetic field

u_SDMoore714

Sea fossils of some ancient sea molluscs

Sea fossils of some ancient sea molluscs

u_SDMoore714, u_AvielanderBright

1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 •