How has Einstein’s work on photons ushered in a golden age of light? Oliver Morton, The Economist’s briefings editor, explores why laser’s applications have been spectacular and how solar power became the cheapest source of electricity in many countries.
A number of start-ups and major tech companies like Microsoft, Ticketmaster, Apple, and Google are interested in vaccine or immunization passports to help reopen the economy. But public health officials are weary, warning the apps are pointless without more knowledge about the efficacy of the vaccines. Watch the video above to learn more about digital vaccine verifications and how you could possibly prove your immunity to coronavirus before attending an event or entering a building.
At this year’s virtual tech megashow, gadgets to protect you from Covid-19 are all the rage. But do you need a connected mask and a personal air purifier? What about a doorbell that takes your temperature? WSJ’s Joanna Stern checks out this new gear—from her basement. Photo illustration: Preston Jessee for The Wall Street Journal
Groupe Renault has revealed a new two-seat urban mobility vehicle designed called the EZ1-Prototype, which recalls the Twizy and will be the first machine offered under its new Mobilize mobility brand.
Mobilize is developing four purpose-built machines that will focus on ride-sharing and last-mile delivery services. The first is the EZ-1 Prototype, which “exemplifies the goals of the Mobilize brand” by putting “service at the heart of vehicle design”.
Designed as a shared-use urban mobility vehicle, it takes cues from mobility concepts previously shown by Groupe Renault but has been honed for real-world use. Users will be able to rent by time or distance on a pay-per-use basis.
CNET’s David Katzmaier gives us his top TV picks from CES 2021: LG, Samsung, TCL and more! These are the craziest concept TVs, the fanciest TVs money can buy, and the overall best TVs that just might even come to you soon.