negative mass

A form of mass that repels, not attracts.
Expressed as: -1 kg

Guy 1: I'll put negative mass in my friend's bed so he can't sleep.
- later -
Guy 2: WHY CAN'T I GET IN MY BED?!?!?!?

superactinides

A part of the extended periodic table of elements, containing elements 121 to 157.

Chemist: Let's discover the superactinides!

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