simply handling money doesn't result in your body absorbing enough cocaine to synthesize and excrete " benzoylecgonine and methylecgonine".
As the limits of detection get smaller and smaller, the chances are that I could detect one molecule of almost anything on you. So how much is legally enough to charge you?
Everyone's broken some law.
If you give me six lines written by the hand of the most honest of men, I will find something in them which will hang him. -Attributed to Cardinal Richelieu
The kids that stare at a computer from age 5 onwards will suffer immeasurably and be very lonely later in life.
Borderline Asperger patients like Gates and Zuckerboig think that is a feature, not a bug.
Here they could have the key to warping space/time, and the first use is to putter along in orbit cheaply.
You know someone is a small scale thinker, when they miss the bus, and wish they had a Star Trek transporter device, so they could beam themselves to the next bus stop.
I don't remember the author, but I read a short story long ago about a man who invented time travel and only used it once a week to go back several decades and buy pork chops because they were really cheap.
"I am, therefore I am." -- Akira