News reports indicate that the poorer, rural villages were hardest hit. Swaminathan Krishnan, assistant professor of civil engineering and geophysics at the California Institute of Technology said: "the earthquake occurred in the rural part of China. Presumably, many of the buildings were just built; they were not designed, so to speak." Swaminathan Krishnan further added: "There are very strong building codes in China, which take care of earthquake issues and seismic design issues. But many of these buildings presumably were quite old and probably were not built with any regulations overseeing them."
What did Swaminathan Krishnan mean when he said the buildings were just built?
not designed

The efforts of military commanders to channel the divine will were on occasion less successful. In the early days of Rome's war against Carthage, the commander Publius Claudius Pulcher (consul 249 BC) launched a sea campaign "though the sacred chickens would not eat when he took the auspices." In defiance of the omen, he threw them into the sea, "saying that they might drink, since they would not eat. He was defeated, and on being bidden by the senate to appoint a dictator, he appointed his messenger Glycias, as if again making a jest of his country's peril." His impiety not only lost the battle but ruined his career.
What general was consul in 249 BC?
Publius Claudius Pulcher

In infrared photography, infrared filters are used to capture the near-infrared spectrum. Digital cameras often use infrared blockers. Cheaper digital cameras and camera phones have less effective filters and can "see" intense near-infrared, appearing as a bright purple-white color. This is especially pronounced when taking pictures of subjects near IR-bright areas (such as near a lamp), where the resulting infrared interference can wash out the image. There is also a technique called 'T-ray' imaging, which is imaging using far-infrared or terahertz radiation. Lack of bright sources can make terahertz photography more challenging than most other infrared imaging techniques. Recently T-ray imaging has been of considerable interest due to a number of new developments such as terahertz time-domain spectroscopy.
What is another name for terahertz radiation?
far-infrared