Archive for January 2009

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Drawing through Iterated Fractal Function

Drawing through Iterated Fractal Function

Have a look at the image on the right. What do you think it is? Ok, you got it: it’s a fern. What’s the big deal about that? The big deal is that it has been generated mathematically. Generated mathematically? Yes, mimicking what happens in nature. It also happens to be a ‘fractal’: each part [...]

Safe Browsing Guide - II

Safe Browsing Guide – II

Continued from Safe Browsing Guide – I You might get some ‘warnings’ while opening secure pages, like below: The first one means that the certificate could have been signed by anyone, including by someone you do not trust. If all I need is encryption: for example if I am sending email, and not sending any [...]

Safe Browsing Guide – I

Safe Browsing Guide – I

When you browse over the Internet, or Chat, or send/receive email – you are not doing that in private. It is important to understand exactly what is private, and what steps you need to follow to maintain the privacy. When accessing any website such as Yahoo.com, you get connected to the web site’s server which [...]

The festival of Lohri

The festival of Lohri

Lohri is a major North Indian festival, which to us non-farmers means the start of the decline of the winter season. The first Lohri after marriage or after a newborn baby is cause of celebration: this includes family and friends in the evening, lighting a bonfire, eating rewri, peanuts, popcorn etc and singing Lohri ‘carols’. [...]

GIF vs JPEG

There must have been times when you would have wondered what the difference is in pictures of type “GIF” (having file extension .gif) and those of type “JPEG” (having file extension .jpg). At other times you might have wondered which type to use for a picture you are uploading. Well, today I am going to [...]

Indian Photographers I: Lala Deen Dayal

Indian Photographers I: Lala Deen Dayal

I have started this series, called Indian Photographers to throw some light on the works of great Indian photographers. Deen Dayal was born in Sardhana, Uttar Pradesh. In 1868, Deen Dayal founded his studio Lala Deen Dayal & Sons, and was subsequently commissioned to photograph various temples and palaces of India. He established studios in [...]