Brian Wang Archive

darpaAstra Launching Rockets Moved in a Shipping Container Needing Only Days to Prepare

Astra Space is developing pump-fed, liquid bipropellant propulsion engines for DARPA and NASA. The current vehicle, Rocket 3.0, is designed to have a payload capacity of approximately 100 kg to low earth orbit. The first Rocket 3.0 vehicle has completed …

coronavirusModerna Coronavirus Vaccine Samples Shipped

Moderna shipped the first samples of messenger RNA based coronavirus vaccine to the National Institute of Allergy and Infectious Disease in Bethesda Maryland. Human clinical trials should start in 6 weeks and the results could be available in July. The …

biotechnologyCoronavirus Is Bat Coronavirus With SARS Receptor

Genetic analysis of the COVID-19 virus shows that it is very similar to a coronavirus in bats but the receptor binding looks like the receptor for SARS. This could happen naturally with slow changes of one in ten thousand sequences …

coronavirusCoronavirus Fatality Statistics By Age, Gender and Conditions

There are coronavirus (COVID-19) fatality statistics based on age, gender and pre-existing conditions. The rates are mainly for hospitalized cases in China. There is likely 5-10 times as many people who caught the virus but had no symptoms or did …

coronavirusWeeks of Lag and Not Enough Coronavirus Tests

Dr. Scott Gottlieb, Pfizer board member and former FDA commissioner, is making regular appearances on CNBC to discuss coronavirus (COVID-19). Here are some key points * The US has very few testing labs that can confirm coronavirus (COVID-19) and there …

coronavirusLarge Coronavirus Outbreaks in Iran, South Korea and Italy

Iran, South Korea and Italy have significant levels of COVID-19 coronavirus. The world total of official COVID-19 coronavirus cases is over 80,000 with 2705 deaths. This is not including mild cases with very few or no symptoms and without needing …

chinaChina Will Surpass France in Nuclear Power Generation This Year

China’s nuclear electricity generation rose by 18.1% last year, to 348 TWh, which is up from 286 TWh in 2018 based on China’s National Energy Administration data. Nuclear’s share of total electricity production was 4.88% last year, up from 4.22%. …

spaceRotary Rocket Had Wheels on Landing Legs As SpaceX Plans for Starship

The Rotary Rocket Company developed the Roton rocket in the late 1990s as a planned fully reusable single-stage-to-orbit (SSTO) crewed spacecraft. A full-scale test vehicle made three hover flights in 1999. It had wheels on its landing legs and was …

futureSpaceX Starship Will Have Wheels and Get Towed to Launch Pad

The SpaceX Starship and likely the Super Heavy Booster will have wheels so that they can be towed to the launch pad. Having wheels built into the vehicles will make them easier to move to launch pads and from where …

businessConsumer Reports Says Tesla Model 3 Range is 350 Miles

Consumer Reports testing finds the Tesla Model 3 has a 350 mile actual range versus 310 EPA sticker. Tesmanian reports taht Sun Xiaohe, Chief of the High-tech Industry and Technology Innovation Division of the Management Committee of Lingang New Area …