Related to big tech, emerging tech, climate tech, science, space, engineering, internet, etc

Biden signs executive order to increase cybersecurity
 President Biden signed an executive order on Wednesday to improve cybersecurity in the US.  The move comes in the aftermath of several cyber-attacks including the recent Colonial Pipeline hack, the SolarWinds, and Microsoft Exchange attacks.
New guidance by CDC for vaccinated Americans
 The CDC recommends fully vaccinated people can participate in several outdoor activities without a mask. The CDC's director, Dr. Rochelle Walensky stated, "Over the past year, we have spent a lot of time telling Americans what they cannot do, what they should not do."
NASA Mars helicopter takes flight
NASA made history on April 19, 2021, when the 4-pound Ingenuity helicopter worth $85 million successfully embarked on its maiden flight on Mars, hovering 10 feet off the ground for 40 seconds. Ingenuity's body is 19 inches in height. A pair of carbon-fiber counter-rotating impellers rotated at 2,500 revolutions per second to take flight on Mars, which has only 1% of the atmospheric volumetric density of Earth.
NASA’s Mars helicopter flight delayed
NASA's drone size helicopter, Ingenuity, was initially targeted for liftoff on Sunday. Ingenuity is now scheduled to liftoff no later than April 14.
Trump plans return to social media
 Former Pres. Trump to rejoin social media with his own platform in the next 2 to 3 months.  Jason Miller, a top Trump adviser, said that the new platform would be big, drawing tens of millions of people.
Positive forecast for Tesla amidst security concerns
From the time Ark published its previous note on January 31, 2020, Tesla's stock has risen by 400%. China's military, according to reports, banned Tesla cars from its facilities because of security concerns about the data collected by cameras installed in the cars.