Astronomers from different parts of the world have detected a strange radio signal, which is classified as a fast radio burst, or FRB. The signal is labelled as FRB 20191221A, and is currently the longest FRB detected in a clear and periodic pattern. “[E]xactly what that source might be remains a mystery, though astronomers suspect the signal could emanate from either a radio pulsar or a magnetar, both of which are types of neutron stars — extremely dense, rapidly spinning collapsed cores of giant stars. 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