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...
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...