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it's difficult to work out a hit or a miss, with bluetooth or GPS. Let's say you go into Sainsbury's. You may come close to 50-100 people. The app could not distinguish if these people are wearing masks nor if they are 1M or 10M from you. The risk is not the same.

what would happen if #1 is tested positive and been in contact with #2. #3 , #4, #5 then each of them is in contact with another 4, then each of the third rank in contact with another 4? how far will you go down the branches? We need extensive testing.

interestingly, the authors (Utrecht university) give you not only their recipe but also their antibody sequences for non commercial use. Samples of SARS-COV-2 was supplied by Germans.

it's called battery sag. When you ride up a steep hill, the motor asks more of the battery causing its voltage to drop more than before. When you get back to flat road, the motor reduces its demand, the battery recovers. If the voltage drops too low (below 31V), the motor will cut out. Don't...

that's the problem. Back in the 80s, genome modifications were done using virus vectors which leave tell tale backbone residues. Not now. People have access to vast resources: software simulations and 3D printing like facilities. You can simply write the sequence that you want to insert, where...

no. 100% power is divided into 9 steps instead of 3. there is not a better one. The controller inside your kit is still currently the latest and best from Bafang. You can get a colour LCD if you like.

it's programmable with free software but I would not recommend you do. 3 assist levels are quick to flick through. 9 assist levels are possible but not as practical.

a lot of my senior customers cannot step over 12" - that is why all my step through bikes have lower step than all the low step bikes.

sounds logical if SARS-COV-2 is a natural virus which is still unproven. If the carrier is not aware of his/her role, the infection can be passed on to anyone within the 2M rule. One way to figure it out is if the suspected carrier or patient 0 is tested positive for antibodies.

take a look at the Woosh Rambletta: https://wooshbikes.co.uk/?rambletta

that's a few trillion dollars question now we know how damaging a pandemic can be. Nano technology in medicine has never had an opportunity like this to occupy centre stage.

not a credible scenario if the virus is naturally occuring which is so far still unproven. but if the virus is taken from a laboratory by a visitor then the scenario is credible.

@tommie scientists have not yet found the natural reservoir for SARS-COV-2. The alternative is that it escaped from a laboratory but which one? SARS-COV1 and hundreds of other viruses affecting human respiratory system are studied all over the world since the 80s when molecular biology enjoyed...

https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome_coronavirus add a small modification to the monobasic cleavage site to make the virus capable of using furin and you get very close to SARS-COV-2.

that virus could be made in at least a dozen countries: USA, China, Germany, France, UK, Switzerland, the Netherlands, Canada, Mexico etc. Samples of virurses and equipment are widely available. Google CRISPR-Cas9. It would not surprise me if it comes out of swine flu studies a few years back.

most of our government's scientific advisors are there to be human shields for the ministers.

you have to ask Donald Trump. He's got the progress reports. A lot of German labs have developed MABs (monoclonal antibodies) against polybasic cleavage sites in avian flu. They may benefit in selling their antivirals.

polybasic cleavage site on the spike protein could have been inspired by work done on HPAIV (highly pathogenic avian influenza virus) in the early noughties. German labs did a lot of work on the potential of pandemic caused by avian flu.

yes, it's a diy kit. The most difficult step is to fit the pedal sensor to the bottom bracket. To do that, you will have to remove the bottom bracket, hang the sensor on to the stationary bottom bracket cup and refit. If you don't want to do this yourself, a local bike shop can do it in about...

if you think you would use your Brompton if it's electrified, may be worth wait a couple of weeks. I will start selling my kit for the Brompton for £529. It comes with a 13AH small frog battery good for about 40 miles from a full charge.