Search results
Results From The WOW.Com Content Network
Thousands of AT&T customers across the country began reporting outages on the website Down Detector before 4 a.m. ET. The outage continued for multiple hours into the morning. The outage continued ...
Electromagnetic interference ( EMI ), also called radio-frequency interference ( RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction. [ 1] The disturbance may degrade the performance of the circuit or ...
AT&T said on Thursday afternoon that its service has been fully restored after a nationwide cellphone outage hit tens of thousands of its customers earlier in the day. "We have restored wireless ...
Hospital Sisters Health System (HSHS) continued Monday to address a systemwide outage of its clinical and administrative applications, as well as outages to phones and the internet.
An X-ray filter (or compensating filter) is a device placed in front of an X-ray source in order to reduce the intensity of particular wavelengths from its spectrum and selectively alter the distribution of X-ray wavelengths within a given beam before reaching the image receptor. [ 1] Adding a filtration device to certain x-ray examinations ...
Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [ 1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...
AT&T said the hourslong outage to its U.S. cellphone network Thursday appeared not to be the result of a malicious attack. The outage knocked out cellphone service for thousands of its users ...
Backscatter X-ray is an advanced X-ray imaging technology. Traditional X-ray machines detect hard and soft materials by the variation in x-ray intensity transmitted through the target. In contrast, backscatter X-ray detects the radiation that reflects from the target. It has potential applications where less-destructive examination is required ...