'Popular Science+ is the re-imagined and re-designed digital version of Popular Science magazine. It has ALL the same content as the print magazine, along with special iPad-only features. SUBSCRIPTIONS AVAILABLE: • 1-year (12 issues) subscription for $14.99 - You save 74%! • 1-month subscription for $1.99 Your subscription will automatically renew unless you cancel 24 hours before the subscription runs out. You can turn off auto-renewal at any time from your iTunes account settings. No cancellation of the current subscription is allowed during an active subscription period. For more information, read our privacy policy and terms of use. http://www.bonniercorp.com/privacy_policy.html INSTRUCTIONS TO USE THIS APP: *Please note that most stories are constructed in two layers, one on top of the other. -Swipe left or right to BROWSE through the magazine. -Swipe up or down to READ an article. -Tap the screen to ACCESS the menu. -DOUBLE TAP the screen to TOGGLE the top layer on and off. -A SINGLE TAP will call up the menu and navigation system; tap again to remove it. -Tap the UPPER-LEFT CORNER to access the contents. -Tap the UPPER-RIGHT CORNER to bookmark an article. Missing issues after update? Tap the “Missing Issues?” button in the Library and sign in to the iTunes account you used to buy the issues originally. They should reappear in your Library.'
This is a free app, but please note that it requires a subscription to the magazine.