they'd been sitting around ventilating about mars

Yes, guns can be readily made from parts found in hardware stores with greater durability, reliability, much lower cost, and less technical knowledge required by the builder compared to 3D printed guns.

Might want to look at the history books. NASA has been considering plans for trips to Mars since the 1960s, long, long before Mars One came along.

Not just a flying car, but a hybrid flying martian car!

Air amplifiers sold as "bladeless fans*" vacuum cleaners which "never lose suction**" or batteries that "last twice as long." Take your pick. Once Dyson gets behind it, expect it to have elegantly designed housing, slick advertising and a much higher price tag.

I've been there done that far too many times before

You must be the brilliant man of whom grounder3 speaks.

Felicia Day is indeed a woman, but not just any woman, most especially not to anyone with a hint of techy/sci-fi-geekiness, she is most revered and recognizable.

Smartass!!