The political theorist Corey Robin walks through the history of the Red Scare and the “fractured mirror” it is to Trump’s attack on the “radical left.” ...

When wakeboarding, the rider keeps hold of the rope, while wakesurfing allows the watersports enthusiast to surf the waves made by the boat, hands-free. Both require different kinds of wake patterns ...

For RC aircraft there are generally legal restrictions that require the craft to stay within line of sight of the operator, but an RC boat or car can in theory go as far as the signal will allow ...