As part of a recently-completed European Union study on the effects of multi-source electromagnetic interference on trains, a British consulting company has helped redesign the way that conformance to railway electromagnetic compatibility (EMC) standards is determined. The project in question, a two-year study known as TREND (Test of Rolling Stock Electromagnetic Compatibility … [Read more...]
Strategic Alliance Brings Micro Power Oscillators, Pulse Generators, and Inductive Proximity Sensors to Market
Mercury United Electronics, Inc. and Micro Oscillator, Inc. have formed a strategic alliance to bring micro power silicon oscillators, pulse generators, and inductive proximity sensors to the market. This collaboration combines the unique patented silicon expertise of Micro Oscillator and the assembly, packaging and test expertise of Mercury United Electronics. The new SH … [Read more...]
Sub-Wavelength Images Could Be Made at Radio Frequencies
Scientists have released new theoretical and experimental work that suggests an innovative method using optical wavelengths to overcome certain restrictions on electric field evaluation. Current methods of mapping electric fields at radio frequencies employ certain metallic structures such as dipoles, probes and reference antennas. These structures, however, must be roughly … [Read more...]
Researchers Predict Electrical Resistivity of Metals Under Extreme Pressures
A study recently published in the Proceedings of the National Academy of Sciences (PNAS), headed by scientists at Rensselaer Polytechnic Institute (RPI), has demonstrated how subjecting metals to intense pressures could lower their electrical resistance, which could potentially lead to increased speed and performance in many technologies. Strain engineering, or the … [Read more...]
Storing Cell Phones in Your Front Pocket Could Lower Sperm Count, New Study Suggests
A recent meta-study conducted at the University of Exeter in the UK suggests that radio-frequency electromagnetic radiation (RF-EMR) emitted from cell phones kept in the pockets of men could be a major factor in the modern world’s fast-dropping sperm count. The study, "Effect of mobile telephones on sperm quality: a systematic review and meta-analysis,” led by Fiona Mathews, … [Read more...]
Using Magnetic Fields to Track Footballs
Sports officials may soon have a better way of determining whether a football team has achieved a first down or scored a touchdown. Researchers from North Carolina State University, Carnegie Mellon University and Disney Research have developed a new system capable of accurately tracking a football in three-dimensional space using low-frequency magnetic fields. The new … [Read more...]
Improving Graphene/Polymer Composites for EMI Shielding
Researchers in China have discovered a way of improving how graphene is used in polymer segregated composites for electromagnetic shielding, using a novel in situ thermal reduction technique that maximizes electromagnetic interference shielding effectiveness (EMI SE) while reducing agglomeration. The use of graphene to build up polymer segregated conductive networks in … [Read more...]
Cell Phone Use for ½ Hour Per Day Linked to Increased Brain Cancer Risk
In a recent study conducted at the University of Bordeaux, researchers have found that using a cell phone for 15 hours a month, or roughly half an hour a day, can lead to a two to three times increase in a person’s chances of getting a brain tumor. The French study, published in British Occupational and Environmental Medicine, centered on 253 cases of glioma – a type of tumor … [Read more...]
NASA Uses Laser to Beam HD Video from International Space Station
NASA successfully beamed a high-definition video from the International Space Station to Earth last Thursday using a new laser communications instrument. The 175-megabit video transmission of “Hello, World!” was the first of its kind for the Optical Payload for Lasercomm Science (OPALS), a technology demonstration that allows NASA to test optical communications—also known as … [Read more...]
EMF Instrument to Fly Aboard Virgin Galactic Flight
Researchers from the Johns Hopkins University Applied Physics Laboratory (APL) have announced plans to install an electromagnetic field measurement instrument aboard Virgin Galactic’s SpaceShipTwo as part of the first NASA-funded science mission on a suborbital space plane. The instrument will analyze the electromagnetic fields inside the spacecraft during the 90-minute … [Read more...]
- « Previous Page
- 1
- …
- 102
- 103
- 104
- 105
- 106
- …
- 270
- Next Page »
