History and Spirit of C and C++ – Olve Maudal

Great talk showing the history and birth of the most consequential languages/OS ever created. Learn the back story and maybe an appreciation for the scale of work done right the first time, especially considering their success and what they delivered is still helping driving new markets today.

From the web to google, to mobile devices, watches, and Smart TVs, our connected lives run on a C/Unix based foundation in many flavors and sizes.


Nanoinjector Lance Delivers DNA to a Cell

Now a multidisciplinary team of Brigham Young University scientists has developed a way to significantly reduce cell death when introducing DNA into egg cells. The researchers have created a microscopic lance that delivers DNA to the cells through electrical forces.

“Because DNA is naturally negatively charged, it is attracted to the outside of the lance using positive voltage,” said Brian Jensen, BYU professor of mechanical engineering. “Once we insert the lance into a cell, we simply reverse the polarity of the electrical force and the lance releases the DNA.”

Because the lance is 10 times smaller and no extra fluid is used, the cells undergo significantly less stress compared to microinjection, and thus, have a higher survival rate. The researchers describe their “metamorphic nanoinjection” process in an article published today by Review of Scientific Instruments.