Here's a page from IBM THINK, a free app for iPad and Android tablets that celebrates centuries of science and tech innovations. It is an "innovation time machine" that shows how early tools have evolved into modern advances that create healthier populations, greener energy and safer, less congested cities. This slide describes an early metal detector from 1881.
Better Language Skills
This page from IBM's THINK app describes how middle school students in Colombia are learning English with reading-companion software.
Motion Picture Camera
This page from IBM's THINK app shows the oldest known film shot with a motion picture camera from 1887.
Planes: Yesterday and Today
This page from IBM's THINK app depicts a Clickstream Map of Science, which attempts to organize scientific knowledge.
This page from IBM's new THINK app describes an innovative early seismograph from 132 A.D.
This page from IBM's new THINK app describes how rice farmers in Southeast Asia are taking advantage of innovations in rice strains to deliver heartier crops.
The New IBM THINK App
Here's a view of people using and browsing with the IBM app.