strands that can be run inside of cells. >> synthetic dna is already being used experimentally in gene therapy to treat or prevent disease. but costs of the current methods are extremely high. it can cost billions to correctly print human dna. >> hansen, if you want to turn on the laser. >> with his dna laser printer, austin hines has figured out a way to do it on the cheap. >> the laser, which is ejecting the good sequence of dna into a collection plate. >> with each shot of the laser -- >> is $100. >> falling prices mean the technology to design and print manmade dna could become easily available to anyone who wants it. paving the way for widespread biohacking. >> would you ever hack your own genes? >> i would definitely hack my sperm. nobody wants to have a kid tell you why do i have this and why do i have that? >> is that with what my kid's going to say to yme when he's 1? >> you're blameless because the technology wasn't there. >> as a society, as a species,