>> tracey potts, thank you okmu. >>> drones are a study topic at uc berkeley.k a so called drone lab on campus. they say they'ret( reimagining e possibilities of drones, so they're used for good. the stulóás developed software for theirt(jf drones and they t them out in and around the south hall on campus. >> still trying to figure that out, if you're a kid in a park, you can legally, we can'txdxd f news, evens ifw3 it's the same drone. christina, maybe some daye1 you will have is aqe1 whether drone1 two. ave balloons right now. there are two sides to every cold front and we're still on the warm side. once this thing comes through behind this front, very, very cold air is trailing behind. it will settle into the bay area. all the way throughout the remainder of the week and we have a hard freeze watch in place for most of the b,y area.1 that wille1 extende1 into your thursday.ó01 right nowe1t( plenty ofe1 snowf tahoe. i want to ÷dpoint out that we he light showers on the radar this morning so travel cautiously ouq there. the cold front comes through and it wil