Earliest records show a spoon shaped compass made of lodestone or magnetite ore, referred to as a "South-pointer" dating back to sometime during the Han Dynasty (2nd century BCE to 2nd century CE).

InventHelp helps people patent and market their invention ideas to companies. InventHelp can assist you with pitching your ideas to retailers or obtaining a licensing deal. The company can also ...

With the veteran market drying up, New Orleans could be in some trouble. In regards to Carr, his dynasty value is starting to tumble as it seems he's no longer viewed as a long-term answer for the ...

Daily science news on research developments and the latest scientific innovations Science X Daily and the Weekly Email Newsletter are free features that allow you to receive your favorite sci-tech ...

Xiaomi Qin1 mobile was launched in August 2018. The phone comes with a 2.80-inch touchscreen display offering a resolution of 240x320 pixels. Xiaomi Qin1 is powered by a dual-core MediaTek MT6260A ...