While you can make a DIY solar filter for your camera using old CDs, that method can damage your camera and we don't recommend doing it on your new DSLR. But Instructables user trophygeek has a new ...

If you're interested in solar photography you can make a DIY solar filter using old CDs, cardboard, glue, and tape. As long as you're not looking directly through the lens but instead using the LCD ...

Pristine water: the solar absorber gel purification system in a lake at Princeton University (left) and the clean water produced during its immersion. (Courtesy: Xiaohui Xu) Pufferfish have inspired a ...

Washington, Jan 31 (PTI) Researchers have developed a solar-powered purifier which could provide a highly efficient and inexpensive way to turn contaminated water into potable water for personal use.

Construct this simple solar still DIY project. Once you learn how to make a solar water distiller, you’ll never need to buy distilled water again! Make your own distilled water from stream or lake ...