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Hackers create Safe Skies TSA master key from scratch, release designs | CSO Online

http://www.csoonline.com/article/3097613/security/hackers-create-safe-skies-tsa-master-key-from-scratch-release-designs.html The security level provided by your TSA approved luggage locks is very low as the plans for all master keys are released to Internet – anyone can make or 3D print the keys to open luggage locks. This shows the dangers of easy to hack master keys on security systems.

Silicon Nanoparticles Provide Biocompatible Solution to Cancer Detection and Treatment – IEEE Spectrum

http://spectrum.ieee.org/nanoclast/biomedical/diagnostics/silicon-nanoparticles-provide-biocompatible-solution-to-cancer-treatment-and-detection?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+IeeeSpectrum+%28IEEE+Spectrum%29&utm_content=FaceBook Silicon nanoparticles seem to be better than gold nanoparticles. Article has also information on challenges in putting nanoparticles to bloodstream.