Sprint unveils new pair of 4G/3G WiFi routers

Sprint’s going full-steam ahead in their push to bring 4G WiMAX service to the US. The wireless carrier’s latest announcement shows off a new pair of 4G portable WiFi hotspots. Like Sprint’s MiFi offering , the new mobile WiFi routers broadcast a WiFi network that can be used whenever and wherever there’s a solid Sprint ( NYSE: S ) signal. But whereas the MiFi ferries data at 3G speeds and includes an embedded 3G modem, the new Sprint Personal Hotspot PHS300S and Cradlepoint MBR-1000 Broadband

Got ear plugs? You may want to sport them on the subway and other mass transit, researchers say

“Even though compared to subways, lower levels were obtained for commuter rail, buses, ferries and the tramway, chronic exposure to noise from these other forms of transit could also present a risk of noise induced hearing loss given sufficient exposure duration,” notes Mr. Neitzel. “The risk rises quickly with even small increases in noise levels. For example, 95 dBA is 10 times more intense than 85 dBA and 100 times more intense than 75 dBA.” The U.S. Environmental Protection Agency and the