There's a recent fitness trend that sees people switching from a traditional desk to working on a treadmill to maximize their physical activity. The problem is that at anything more vigorous than a casual stride, it's difficult to read a static display while on a treadmill. At least until researchers at Purdue University commercialise their new ReadingMate system. Read More >>

There's no shortage of plans online for building a simple ping pong cannon that can fire balls at hundreds of miles per hour. But you're probably not going to find the details of Purdue University Professor Mark French's cannon, since his creation can accelerate a ping pong ball to 900 miles per hour, or just over Mach 1.2. Read More >>