Nearly lost amidst the breathless anticipation of all things wireless–whether it’s the latest smart phone, free Internet hot spot or GPS navigation system–is the potential impact these gadgets may have on scientific instruments that likewise need access to the electromagnetic spectrum.
Our brains are crammed with a massive amount of memories that we have formed over a lifetime of experiences. These memories range from the profound (who am I and how did I get here?) to the most trivial (the license plate of the car at a stoplight). Furthermore, our memories also vary considerably in their precision.
As a professor, a software developer and an author I’ve spent a career in software security. I decided to conduct an experiment to see how vulnerable people’s accounts are to mining the Web for information. I asked some of my acquaintances, people I know only casually, if, with their permission and under their supervision, I [...]
“The Dark Knight,” the next movie in the Batman franchise, opens … Friday. To investigate whether someone like Bruce Wayne [Batman] could physically transform himself into a one-man wrecking crew, ScientificAmerican.com turned to E. Paul Zehr, associate professor of kinesiology and neuroscience … and a 26-year practitioner of Chito-Ryu karate-do.
Hospitals and airplanes ban the use of cell phones, because their electromagnetic transmissions can interfere with sensitive electrical devices. Could the brain also fall into that category? Of course, all our thoughts, sensations and actions arise from bioelectricity generated by neurons and transmitted through complex neural circuits inside our skulls.
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