Let me take you all to the physics world, this is something most scientists should know by now, and this should also be an additional knowledge to the non-scientists in the house....

Did you know the reason why we see lightening before hearing the sound of thunder strike is because of the difference in their speed ? light travels at a speed of 3.0 x 10^8 metre per seconds and the speed of sound travels at 340 metre per seconds

join me and lets take this far my fellow chemists and physicists @samostically @hopestylist @nkemakonam89 @cheeamaka @emreal, tag them all and lets take this far...