Uncategorized
- Planetary Science
Mars has two speeds of sound
High-pitched clacks from a laser on NASA’s Perseverance rover zapping rocks traveled faster than the lower-pitched hum of the Ingenuity helicopter’s blades.
- Tech
50 years ago, the future of solar energy looked bright
In the 1970s, scientists and engineers were coming around to the idea of “farming” the sun’s energy on a large scale.
- Animals
How do we know what emotions animals feel?
Animal welfare researchers are studying the feelings and subjective experiences of horses, octopuses and more.
-
