A ban preventing passengers from certain countries carrying large electronics on their flight creates several new risks even as it potentially addresses a terrorism one.
Why it matters: Passengers who can't carry on laptops and other electronics must now place those items in checked luggage. The FAA and other agencies have spent the last several years trying to reduce the amount of lithium-ion batteries in the cargo hold for fear that a short circuit in an unattended battery could cause a massive fire. At least if a battery ignites in the main cabin, there is a good chance of putting out the fire before it brings down a plane.
While the fire risk is probably the biggest concern, here are a few others being raised in the wake of the new rules: