ICYMI: Sea drones, Pigeon pollution patrol and more

Today on In Case You Missed It: A more affordable ocean-going drone is about to hit the market for about $3,000. We doubt it can reach the amazing things continually being sighted along the Mariana Trench, but it's fun to dream. People at the Scienc...

ICYMI: Giant air purifier, true invisibility cloak and more

Today on In Case You Missed It: A 23-foot tall HEPA filter that looks like a building is running in Rotterdam, costing $1,000 a year to operate while cleaning up to 1 million cubic feet of air per hour. Scientists at UC Berkeley have hit on the tec...