"Dabs" explained

...“dabs,” a type of solidified hash oil also known as “concentrates,” BHO (Butane Hash Oil) or more popularly, “wax”—so-named for its texture and glassy appearance. While no one person has taken credit for developing its extraction formula, the substance first started to appear out west about five years ago, but has since experienced galloping popularity... Most commonly created by a technique in which high quality pot is blasted with butane that is then extracted, these cannabis concentrates approach 70%-to-90% THC... the new product is so superior, buds will eventually disappear, at least among, “our generation,”—users under 40. “Dabs are the future of cannabis, both recreational and medicinal,” he adds...

This conflict was aired by, of course, High Times, in a story titled “To Dab or Not to Dab.” While mostly positive in keeping with the magazine’s avowed pro-cannabis theme, the piece shed light on the negative consequences that have popped up from the burgeoning dabs trend. Among incidents related to its production and use were untrained cooks “blowing themselves up” blasting butane in jury-rigged home labs, and “overdoses,” which as with strong marijuana are not fatal but involve extreme discomfort to the point of freaking out for long periods of time...

...he’ll fortify himself throughout the day with nail-sized hits from a small vaporizer that resembles an e-cigarette. This delivery-system has a built in advantage to weed: near invisibility to law-enforcement.

More information at Animal, via The Dish.