Sunday, 26 January 2014

How do mirrors actually work?

Why do mirrors flip faces horizontally but not vertically? James May explains, with the help of a very childish prank.
A mirror is made from a sheet of glass with reflective material applied to one side. It is like an old fashioned transparency photograph viewed the wrong way around. It doesn't reverse left and right, it reverses back to front. As James May explains this is nothing to do with the mirror itself, the writing appears back to front in a mirror because we present it back to front.

Saturday, 25 January 2014

Brasilia, a bold experiment in city building

Transformed in just three years from isolated jungle to a modernist dream, Brazil’s capital city is based on architect Oscar Niemeyer’s vision for a classless, new-age world.

For source go here.

Saturday, 4 January 2014

Your wireless router could be murdering your houseplants

Are you slowly killing your houseplants? Probably! But there might be a reason (other than neglect) why they’re all yellow and wilty: your Wi-Fi router.
An experiment by a handful of high school students in Denmark has sparked some serious international interest in the scientific community.