Archive for June, 2013

SunCalc – sun position, sunlight phases, sunrise, sunset, dusk and dawn times calculator

SunCalc is a little app that shows sun movement and sunlight phases during the given day at the given location.  You can see sun positions at sunrise, specified time and sunset. The thin orange curve is the current sun trajectory, and the yellow area around is the variation of sun trajectories during the year. The closer a point is to the center, the higher is the sun above the horizon. The colors on the time slider above show sunlight coverage during the day.


Similar apps include The Golden Hour Calculator and The Twilight Calculator.


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toolsforafuture.net writes…

We are launching the first in a series of tools designed for everyone interested in gardening, horticulture, Permaculture or agroforestry.  Our first tool is called ‘MyPlants’.  It is a free software product that helps you research and catalogue all your trees, shrubs and herbaceous plants.  See the MyPlants and Screenshots sections for more details.  We hope you find this tool useful.

Here is a list of the key features:

  • Keep detailed information about each plant
  • Add as many pictures as you want
  • Write notes for each plant
  • Display your plants on a garden plan
  • Automatically get more details from Wikipedia, YouTube, Wikimedia and specialist plant web sites
  • Track yields for each plant
  • Keep different plant lists for each garden or project
  • Store complete details of all your plant suppliers


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Leafsnap.com writes…

Leafsnap is the first in a series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and the Smithsonian Institution. This free mobile app uses visual recognition software to help identify tree species from photographs of their leaves.

Leafsnap contains beautiful high-resolution images of leaves, flowers, fruit, petiole, seeds, and bark. Leafsnap currently includes the trees of the Northeast and will soon grow to include the trees of the entire continental United States.

This website shows the tree species included in Leafsnap, the collections of its users, and the team of research volunteers working to produce it.


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