"It looks like a plot of some maniac with a diabolical knowledge of chemistry," he snarled.
But Mr. Tobiason, whose knowledge of chemistry and microbiology is largely self-taught, had grander plans.
Knowledge of chemistry, art and history come in handy, as do foreign languages, ancient and modern.
And his knowledge of chemistry, displayed at odd moments, makes him endearing.
For Walt's knowledge of chemistry allows him to cook the finest, purest blue meth New Mexico has ever seen.
Those who buy in the head shops often have a lot less knowledge of chemistry than Daniel.
"You would only need a VERY basic knowledge of chemistry to know why this update is 100% false and even scientifically impossible," one user wrote.
He also permitted me to demonstrate my early knowledge of chemistry: I ignited flash powder during the school play and filled the hall with smoke.
The concern is less about measuring knowledge of chemistry or literature than about harder to define skills like critical thinking and problem-solving.
The test is incredibly difficult; answering the multiple-choice questions requires knowledge of chemistry, physics, advanced algebra and geometry, and testing lasts for two days.
The paint makers also appeared to have developed an elementary knowledge of chemistry and some understanding of long-term planning earlier than previously thought.
