These battery-free sensors fly like dandelion seeds
Wireless sensors are a versatile technology used to measure all sorts of conditions, without the restraint of being attached to a stationary object the whole time. They have many applications such as in medicine - like this wireless sensor which monitors bone health - or in measuring environmental Read More...
Cracking the case of super-hot hydrogen in galaxies
Galaxies don't like to be alone. These huge swirls of stars, dust, and dark matter gravitate together in their thousands to form clusters, offering wonder and puzzlement to us humans watching them. The mystery of the super-hot hydrogen As with many aspects of our awe-inspiring universe, there is Read More...
Levitating ice leads to deeper understanding of energy
Believe it or not, scientists have been levitating water since the 18th century. The Leidenfrost effect was first described in 1751 by a German doctor and theologian, who named the phenomenon after himself. Using a high temperature plate of 150˚C, he observed that a water droplet could be made to Read More...