fungus

Hi guys looking for some suggestions on a good steel water bottle to store water. I bought the Tupperware ones sometime back which though durable seem to have Fungus forming on them. Hence would want to go for Steel bottles this time. Any suggestions. Preferably ones which are not that expensive.

hi guys , need an opinion on my old Tamron 28-200mm AF (a-mount) lens i hadnt tried photos with my new 1200D with this lens so far and when i tried it today,all the photos were coming a bit greyish towards the rims and i tried cleaning it etc but it still has the same effect does my lens have...

Geologist Victor Cardenes says he stumbled across the microscopic creature while visiting Belize. The discovery came after friends complained that one of their CDs had developed an odd discoloration that left parts of it virtually transparent. Using an electron microscope, Cardenes and...