Hardly any waves form when you move a thin rod back and forth in water because it mostly cuts through the water. Similarly, a string instrument’s strings have a hard time making waves in the air because it mostly cuts through it. Since wider objects can produce waves more easily, string instruments are made with a deep, wide, hollow body that vibrates, which then vibrates the surrounding air to amplify sound. Read full article here
Technology
The First Solar-Powered Car Comes at a Hot Price
The Lightyear O is a revolutionary electric car powered by the sun. Developed by a Dutch startup, the four-door sedan has over 50 square feet of solar panels on its roof and hood, generating up to 43 miles of energy a day. With production now underway in Finland, the car does come with a hefty price tag at $262,000, but the company hopes to introduce a more affordable version, the Lightyear 2, by 2025. Read full article here