Claims that Facebook deliberately manipulated stories on its list of trending topics undercuts its role as one of the world’s most powerful tools for 21st century communication, writes Callie Crossley.
The news is full of viruses these days, from Ebola and West Nile to electronic versions that let hackers steal identities and credit card information from major retail stores. But is the comparison between computer viruses and biological viruses even useful anymore?
For the first time, the US Navy has deployed a laser weapon on the high seas, ready to fry any drones or speedboats that might dare to attack. It's still a prototype for now, but it could be a first step in a new, lethal — and relatively cheap — era of naval combat.
Wind and solar power have the potential to reduce the growth of greenhouse gases and slow the progression of climate change. But since the sun doesn’t always shine and the wind doesn’t always blow, the big hurdle in expanding the use of renewables is the lack of cheap and efficient storage of that energy. That could be about to change.
Magnetic-stripe credit and debit cards are like catnip for hackers, who have been broken into retailers like Target and Home Depot and installed malicious software on their cash registers. Now, chip-based cards are becoming more common in the US and are expected to grow rapidly in the coming year. Then there's Apple Pay, a mobile payment system that eliminates cards entirely. Where is this all heading?
Online education held the promise of leveling the playing field, making a college education accessible to those who are too poor to go to college. But because of what's required to get an online education — a device and an Internet connection — online education is merely reinforcing socio-economic ghettos.