Nir Eyal is showing software designers how to hook users in four easy steps. Welcome to the new era of habit-forming technology.
Studying the pre-Islamic State tweets of people who end up backing the organization paints a revealing picture of how support emerges, say computer scientists.
Nobody has been able to trap electromagnetic waves inside a metamaterial and then release them again. Until now.
Urban heat islands are not inevitable, but the product of dark roofs, black pavement, and loss of vegetation. A “cool communities” approach would lower air-conditioning use and make the air healthier.
Climate change will make it increasingly difficult to feed the world. Biotech crops will have an essential role in ensuring that there’s enough to eat.
Evaporative cooling plus drying with desiccants equals cool air for less cost.
A wireless transmitter could give paralyzed people a practical way to control TVs, computers, or wheelchairs with their thoughts.
Physicists have overlooked an obvious place to search for shell-like structures constructed around stars by advanced civilizations to capture their energy.