Heck, back when I took High School Chemistry and Physics we messed with pure mercury, uranium oxide, pure sodium, potassium, and calcium metals, thousands of volts of electricity, hundreds of AMPS of electricity, gen-u-wine VACUUM tubes (which goes to show you how long ago that was!), and a whole raft of stuff that today you wouldn't touch until college.

No, it wasn't so long ago that the latest discovery was fire...not that long ago. No, the latest discovery was the inclined plane....