You can’t dig a hole through the center of the Earth from most places in the US and end up in China; instead, you’d end up in the ocean. Exceptions include Carville and La Junta in Colorado and part of Shelby, Montana. Hawaii and Alaska also have opposite points on land. Antipodes are rare due […]
Airbnb booked Kiss to perform heavy metal music on a boat off the coast of Australia to test if sharks are attracted to it. No sharks showed up, and scientists suggest the loud music may have been too stressful for them. Sharks are sensitive to low-frequency sounds and can recognize jazz music. A 2015 Discovery […]
Potentiometers adjust electricity flow in devices. Analog potentiometers modulate circuits by controlling power flow, while digital potentiometers are controlled by digital signals and convert them to analog output. Digital potentiometers have limitations in modulation and voltage range, but some have onboard memory to remember settings. A potentiometer is used to adjust the general level of […]
