Nanophysicists Find Unexpected Magnetic Effect: Kondo Effect Noted In Single-atom Contacts Of Pure Ferromagnets
Spanish and U.S. physicists studying nanoelectronics have found that size really ... cobalt and nickel behave very differently than do slightly larger versions that are on the order of the devices used in today's electronic gadgets. "We've found that ...
The Mystifying Compass: Why this age-old device still exists
Most of today's most sophisticated commercial aircraft still include in the otherwise all electronic flight deck, a small permanent magnetic (or whiskey) compass. Every now and then a maintenance requirement surfaces where this device must be tested and if ...
“House of Fire”: Firebottles And Groove Tubes Versus Devices That Find Their Origins in Sand (Part 1)
Why does a tube amplifier sound different ... and large signal events in the active devices. The capacitors, transformers, speakers, resistors, gain stages, inverter stages, cabling, and damping factor all have an impact on sound quality.
Taking a Closer Look at the Dangers of Wireless Radiation
Why is this? Why does ... radiation as a nonlethal weapon. A stunning admission in the document is that low frequency magnetic fields – particularly those “tuned” to a resonance wavelength – could have significantly adverse effects when directed ...
FDA issues final rule, guidance on electronic medical device reporting
The Final Rule does ... have been able to voluntarily submit MDRs electronically since 2008. Id. Additionally, on the same day, FDA issued the Final Guidance Document “Questions and Answers about eMDR – Electronic Medical Device Reporting” (the ...