Tech Digest daily roundup: Rolls-Royce electric plane takes maiden flight

Rolls-Royce’s first all-electric plane has completed its maiden flight ahead of a world record attempt later this year.  The Spirit of Innovation’s 15-minute flight took place at the Boscombe Down military testing site on Wednesday, powered by the most “power-dense” battery pack assembled for an aircraft, the company said. Rolls said the 400kW electric powertrain was…

Syringe emoji loses blood in Covid revamp

Apple is changing its syringe emoji to remove the dripping blood, as it becomes widely used to talk about the Covid-19 vaccine instead. Apple's new version appears to have nothing inside the needle (though it could be the clear vaccine liquid). "This makes the emoji more versatile when used to describe Covid-19 vaccination," explained Emojipedia,…