In severe cold, below -15C, before you turn the ignition key flash your main beams - this takes a bit of battery power and thaws it a bit inside.

BBC: Your tips for coping in a colder UK climate

Flash sales turn the heat up.

FORBES: Holiday Shopping Trends: Making A List And Checking In Twice

It's refreshingly easy to use: just raise the flash head to switch on... then turn off again by lowering when the flash isn't needed.

ENGADGET: Sony NEX-3N and Alpha A58 unveiled, heading to Europe this spring

Static electricity could cause a small spark when a petrol pump nozzle is inserted which could in turn ignite fuel vapour in a flash fire.

BBC: BMW recalls new Mini

Now we get to see if Korean pop star Psy is really going to turn into an international pop star or if he was just a flash in the pan.

FORBES: This Weekend We'll See If Lightning Strikes Twice For Psy

While waiting for his turn to testify, he began to work on a new type of flash memory, continuing in his spare time until he was ready to apply for patents.

FORBES: Magazine Article

Turn off those annoying e-mail alerts--do not have a sign flash up on your screen every time a new e-mail comes in.

FORBES: Magazine Article