Leg of a spider.

The bamboo like structute shown in the image is an image of spider’s leg viewed under foldscope.

Heartbeat of a bedbug



We planned workshop on foldscope for high school students at Race Concept High school Raichur. Myself Dr. J R Diwan and my research fellow Kashappa visited above mentioned high school on 18 September 2018 at 2:30 pm. We demonstrated introduction, usage and advantages of foldscope through power point presentation. Later, we demonstrated students with prepared…

Visit to government highschool

Demonstration of assembly of foldscope to govt. school students students curiously watching the slide of spiral bacteria spiral bacteria

Yeast Cells

Yeast is a living organism. It can be used to make bread and alcoholic drinks such as beer and wine. Different species of yeast may cause infections such as thrush. Yeast consists of single cells. They are smaller than animal and plant cells, but slightly larger than bacteria.

Xylem and Phloem of a Monocot Plant

Dicot stems have their vascular bundles in a ring arrangement. Monocot stems have most of their vascular bundles near the outside edge of the stem. … Monocot roots, interestingly, have their vascular bundles arranged in a ring. Dicot roots have their xylem in the center of the root and phloem outside the xylem.


இன்று (18.09.2018) சம்பக் பள்ளி மாணவர்கள் பதிவு செய்த மகரந்தங்கள். இதற்கென ஒரு மலர்களை தேடி சேகரித்தனர். இதற்கு முன்பு அவர்கள் மடிப்பு நுண்ணோக்கியில் பார்த்திராத பூக்களாக சேகரித்து இன்று பதிவு செய்தனர்.

மடிப்பு நுண்ணோக்கி கண்காட்சி – மன்னர் திருமலை நாயக்கர் கல்லூரி

மடிப்பு நுண்ணோக்கி கண்காட்சி மதுரை மன்னர் திருமலை நாயக்கர் கல்லூரியில் (18.09.2018) இன்று நடைபெற்றது. இதில் இயற்பியல் மற்றும் கணிதவியல் மாணவர்கள் சுமார் 170க்கும் மேற்பட்ட மாணவர்கள் பங்கேற்றனர். மடிப்பு நுண்ணோக்கியின் செயல்பாடுகள் மற்றும் அதன் பயன்பாடுகள் குறித்து விளக்கம் அளித்தேன். இதற்கான ஏற்பாட்டை கல்லூரி அறிவியல் இயக்க கிளை ஏற்பாடு செய்திருந்தது. அற்புதமான நிகழ்வு. 

Antennae of male mosquito

Mosquitoes use their antennae as movement receivers that respond to oscillations of air particles within the insects’ surroundings. The brush-like male antennae are sensitive to sound waves, particularly to those of the frequency of the wingbeat of females; so when a male midge ‘hears’ a female with his antennae, he flies towards the source of…

Hair follicle

The base of the hair follicle is called the bulb. The hair bulb contains the actual hair producing part (tissue) known as the Dermal Papilla. The Dermal Papillae connects with the blood vessels to draw the nutrients for hair growth.

Elodea plant cell

This Elodea leaf cell exemplifies a typical plant cell. It has a nucleus, and a stiff cell wall which gives the cell its box-like shape. The numerous green chloroplasts allow the cell to make its own food (by photosynthesis). The central vacuole takes up most of the volume of the cell. It is transparent, but…

Observing Microscopic Stem Hair

Trichomes are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function.


Spirogyra is commonly found in clean water and it produces food through the process of photosynthesis. Usually, spirogyra algae are seen as floating slimy masses, during summer. They are often referred to as ‘scum’. Spirogyra is a genus of green algae that belong to the order Zygnematales. These free-flowing, filamentous algae are characterized by ribbon-shaped chloroplasts…