The app, developed by HHMI’s BioInteractive team, tracks the planet’s continental shifts, compares changes in climate as far back as the planet’s origin, and explores the Earth’s biodiversity over the last 540 million years. The app allows students to see continents grow and shift as they scroll through billions of years – from molten mass to snowball Earth. Students can also explore changes in the Earth’s atmospheric composition, temperature, biodiversity, day length, and solar luminosity over its entire development. Have you ever wanted to go back in time to see what the Earth looked like 400 million years ago? You can with the EarthViewer, a free, interactive app designed for the iPad, that lets users explore the Earth’s history with the touch of a finger by scrolling through 4.5 billion years of geological evolution. So I was excited when I saw a press release from the Howard Hughes Medical Institute (HHMI) about a new resource: As we studied biomes, my students would annotate the maps with sticky notes and push pins for all to see. The map wall was one of the centers in my middle school classroom. Even though I have a GPS, I usually have a road map open, too. Whenever a conversation centered on a particular location, his response was “Let’s get out the map!” One of the chief roles in family outings was that of navigator with a road map (this was before the age of GPS devices in the car).Īs they say, nuts don’t fall far from the tree, so I’m a map nut, too. We could spend hours browsing through an atlas or USGS topographic maps. Usually commercial software or games are produced for sale or to serve a commercial purpose.My dad was a map-reader. Even though, most trial software products are only time-limited some also have feature limitations. After that trial period (usually 15 to 90 days) the user can decide whether to buy the software or not. Trial software allows the user to evaluate the software for a limited amount of time. Demos are usually not time-limited (like Trial software) but the functionality is limited. In some cases, all the functionality is disabled until the license is purchased. Demoĭemo programs have a limited functionality for free, but charge for an advanced set of features or for the removal of advertisements from the program's interfaces. In some cases, ads may be show to the users. Basically, a product is offered Free to Play (Freemium) and the user can decide if he wants to pay the money (Premium) for additional features, services, virtual or physical goods that expand the functionality of the game. This license is commonly used for video games and it allows users to download and play the game for free. There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared. Programs released under this license can be used at no cost for both personal and commercial purposes. Open Source software is software with source code that anyone can inspect, modify or enhance. Freeware products can be used free of charge for both personal and professional (commercial use). Silent installation and uninstallation for mass deploymentįreeware programs can be downloaded used free of charge and without any time limitations.Location and local time of more than 120.000 cities worldwide. Several other beautiful maps to choose from.Seasonal maps showing changes of vegetation, snow cover and ocean ice.Weather data (temperature, humidity, wind, pressure, etc.).
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