Bocquet’s quest to understand how this happens — how a solid object can skim along water without immediately sinking — began more than a decade ago, while he was skipping stones on the Tarn River in southern France with his young son. ‘‘He turns to me,’’ Bocquet says, ‘‘and asks, ‘Why does the stone bounce on the water?’ ’’ To answer that question satisfactorily, Bocquet and his colleagues built a mechanical stone skipper and analyzed the angle of each toss using high-speed video. They also created a set of mathematical equations to predict the number of skips.
Sean Carroll is a physicist at JPL and the author of many popular, smart books about physics for a lay audience; his weekly Mindscape podcast is a treasure-trove of incredibly smart, fascinating discussions with people from a wide variety of backgrounds.
Caltech theoretical physicist Sean Carroll, author of Something Deeply Hidden: Quantum Worlds and the Emergence of Spacetime, explains the concept of a “dimensions” at five different levels of complexity. Dr. Carroll sure has a big brane.
A typical security camera can give you peace of mind. But that might be offset by the nagging feeling that it’s watching you, too. The best kind of security system is one that protects both your home and your privacy, and the blurams Dome Pro 1080p Security Camera is one rare model that’s set up […]
Sous vide cooking: It sounds fancy, but it’s actually one of the easiest and most reliable ways to cook. It’s the reason why many restaurants are able to put out delicious dishes with a consistent flavor. All you need is the right equipment, and that hasn’t always been available to those outside the resto crowd. […]
The more you use your computer, the more it becomes possible for others to use it too. Where there are anti-virus systems, there are hackers looking for a way to get around them. That’s why it’s important to get software that doesn’t just passively scout for viruses in the background. The folks behind GlassWire have […]