People doing service in church.

People who do service in church(picking up chairs etc), do it to spare time. not because of intention of god. they could spend that much time in church

Sync traffic lights

Adjacent traffic lights should be synced so that one vehicle travelling one light shouldn't tak much waiting time in the next

Electricity from heat

when we heat an object the electrons will go to every direction which moves heat. can it be directionalized to produce electric energy?

Friendship Flower

Friendship is like a flower that is taken care by two people. one who waters it and one who put manures and other things. if one of them is less careful, no matter ho much harder the other person try the plant will get burnt-out. it needs care from both ends. it needs effort from both people. AFTER ALL ... THE END RESULT IS A FLOWER THAT BRINGS JOY