再探雙子悖論 活動報名表 / The Twin Paradox Revisited Sign up form
GPS 這個隨處可見的技術沒有相對論，根本無法準確定位，而手機與物聯網的功能將非常有限。
Without Einstein's theory of relativity, GPS can not provide accurate location positioning at all.
while mobile phones and the Internet of Things would pose very limited capabilities.
「雙生子悖論」可說是相對論中最著名的想像實驗，愛因斯坦的「同時相對性」改變了人類根深蒂固的「絕對同時性」觀念。
The Twin Paradox is the most famous thought experiment in relativity. Einstein's theory of relative simultaneity has changed the deep-rooted notion of absolute simultaneity.
聽了本次演講，你才能宣稱自己是現代人，也徹底掌握了手機的功能。
After listening to this speech,
you can claim yourself to be a modern person and master the functions of your smartphone thoroughly.
