The 24 Solar Terms is regarded as China's fifth great invention, after papermaking, printing, the compass and gunpowder.

二十四节气被认为是中国继造纸术、印刷术、指南针和火药之后的第五大发明。

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Slim Pathfinder Watch featuring Multi-Band 5 Atomic Timekeeping, Tough Solar Power, Digital Compass with Altimeter, Barometer and Thermometer.

超薄探路者观看具有多波段5原子计时，强硬的太阳能发电与测高计，数字罗盘，气压计和温度计。

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It might sound like something straight out of a Harry Potter movie, but a mysterious piece of rock salvaged from a 400-year-old wreck might turn out to be a legendary Viking "Sunstone" -- an ancient solar compass.

ENGADGET: Alt-week 3.9.13: Sunstones, knotted vortices and a zero-g robot