. >>> the other bay area here is going tee barepresented at this year's summer olympic games especially when it comes to cutting edge training. >> bay area designed gadgets are becoming the norm now in olympic training. take for example the gopro. the cameras are being used for everything from swimming to hockey to bmx racing. >> because we measure everything the athlete does and streams it live and records it. you can go back after the fact and brutally tear down their performance frame by frame by frame. >> coaches and athletes agree the cameras can provide a lot of data that may make all the difference for an athlete striving for olympic gold. a reminder, we are your home for the summer olympics. heading to rio and bring you live updates throughout the olympics. >>> okay, one man in a one of a kind bubble, you might say, now making a second attempt at history. >> have you seen this. has created what he calls a hydropod. a human-propelled bubble that works kind of like a hamster wheel. he made a similar craft back in 2014 and tried to run from florida to bermuda. but his gps accidenta