nuclear era, n.All

The Nuclear era (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠a calendar in which a clever species earned the means to destroy itself without the moral capacity to control its worst instincts.