The Action Man filled a cylinder of ¼-inch steel with water, capped both ends and submerged it in liquid nitrogen to see if the water would freeze without expanding. I was surprised by what happened!
In this video of The Action Lab, the Action Man puts a small fan into a vacuum chamber and pours a bunch of little styrofoam beads in it. At atmospheric pressure the beads fly all over the place. As he reduces the pressure inside a vacuum chamber, the beads slow down and eventually stop moving.… READ THE REST
This aluminum egg is called a phi top, and when you spin it, it stands on end. According to the Action Lab Man, "This is the same procedure that [Nikola] Telsa applied to a copper egg in his famous Columbus egg demonstration." If you don't have an aluminum egg on hand, an egg laid by… READ THE REST
High school science teacher Bruce Yeany says, "Here are a few more example of balancing toys that are made with simple materials. Making these types of toys have been especially popular with students. Toys can be a great lead in to the study of center of mass, center of gravity, levers, torque. Also makes a… READ THE REST
Advances in technology always bring innovations over time. And those changes come from everybody, even a worldwide manufacturing titan like Yamaha. Last year, the Japanese firm known for its long history of audio components and speakers became the latest company to incorporate smart speaker technology into its products. That led to the unveiling of the… READ THE REST
You might think that drinking water from a reusable bottle instead of constantly throwing away those plastic water bottles is your good deed to help the environment. While that's absolutely true, there are ways to do even more to not only help strike a blow for a more ecologically sound world but a safer one… READ THE REST
Summer is usually a time for bear cubs in kiddie pools, cats in hammocks, and decapitated swan pool floaties. You know, the fun stuff. We get that staring into the teeth of a blistering summer swelter isn't always the best time for tackling something like shoring up your overall web security approach. But the reality… READ THE REST