Table salt crystals, NaCl

crystal is the purest form of solid. Here is the NaCl (Table salt), crystals. There are various types of crystals that are found in nature, like your diamond, quartz, salt crystals etc. It’s a slow process, that aggregates the two or many more same molecules to stick together in the same orientation to develop into a crystal….

Biofilm Analysis in Drinking Water Distribution System

Comparison of Biofilm on PVC coupons in Drinking water distribution system using Foldscope and SEM. PVC coupons were immersed in drinking water distribution systems for almost 30 days.  Analysis of water and biological parameters were done at regular interval of time. The coupons were removed and observed for biofilm formation. The biofilm formation was observed…

A Hands-On training: Foldscope utilisation in Muga Rearing practices

A Demonstration was given to farmers to have knowledge of actual procedure used to examine the pebrine spores, a stringent disease in muga silkworms and many other silkworms found in Assam by using Foldscope microscope.A live comparison between the conventionally used laboratory microscope and Foldscope microscope to explain its benefits over the other. Also the…

compound foldscope 2

figure 1: mandibles of wood termite under foldscope figure2: mandibles of wood termite focused using 10x eye piece. wood termite mouth parts


Last week, we organized a teachers workshop which had a session on fibers. Teachers worked with a range of fibers to test them for various properties like combustion: There was also a part of the unit where they looked at fibers under a microscope. I thought would be nice to try with a Foldscope. So…

Foldscope kindles curiosity among farmers at Krishi Mela in Bengaluru

We demonstrated the Foldscope for hundreds of farmers at Krishi Mela held at the University of Agricultural Sciences, Bengaluru. They were very curious and surprised to see minute pests under the Foldscope. We also demonstrated specimen separation, slide preparation, etc. The farmers were from several districts like Bengaluru Rural, Bengaluru Urban, Chamarajanagara, Mysuru, Chikkaballapura, Kolar,…

Thrips are a treat to watch under the Foldscope!

Thrips (Order Thysanoptera) are tiny and slender insects with fringed wings. They have unique asymmetrical mouthparts. Many thrips species are pests of agricultural and horticultural crops. Some species are known vectors of plant viruses. Also, several species are beneficial as pollinators as well as predators of other insects or mites. [Specimens from Dr R.R. Rachana]

Foldscope introduced to horticultural farmers in Channapatna, Karnataka

On 30 October 2018, we conducted a workshop entitled “Utility of the Foldscope in Crop Protection: Assessment-cum-Training Workshop for Farmers” at the Department of Horticulture, Channapatna, Ramanagara district of Karnataka. The main purpose of this workshop was to introduce the Foldscope to local farmers and to assess the utility of the gadget in crop protection….