Uranium gets to its half-life on time.
I don't have a new BMW in my garage.
A tire!
You wouldn't want to get repossessed!
They only work 10% of the time.
To which his friend replies, "No, it's about four and a half feet."
Half a sack
A Global Offensive.
Trinary
He got atomic ache.
Because 2 Half-Lives = 1 whole life.