To prevent several millions tons of plastic from flushing into the ocean every year, engineers are paving roads with it.
Forgetting is beneficial for the human brain. But the internet has made it harder to let go of painful or problematic memories.
If we name each generation based on the technological conditions it experienced, generations may soon encompass only a few years apiece.
And what does it mean that Iran has enriched uranium past the 4.5% level?
Submarines played a major role in Word War I. But the first submersible was actually used, though unsuccessfully, in the Revolutionary War.
According to philosopher Max Weber, science led to humanity's disenchantment. But reaching AI Singularity might spark our sense of wonder all over again.
Over 20 countries have high-speed train travel, carrying 1.6 billion passengers a year. The United States is lagging behind.
Airlines have already flown planes fueled with biofuel-petroleum mixes, and more are coming.
When Google runs a smart city, who owns the data?
In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.