Surely reflectivity will be a benefit as it increases the visibility of the rider. Like hanging a compact disc on the back.
On the compact disc theme. I have noticed that their reflectivity is a definite issue for other road users????
One can buy chrome paint in an aerosol.
A bit of masking tape and newspaper and bingo a bit of DIY.
If the original paint is left intact then there will be no perceived chemical action.
Rather than the silly rocket maybe we could have a General Theory of Negativity counter per member. To indicate how generally negative their posts are.
The flow out of a water heater is a simple ???? input/output energy calculation.
No amount of pontification about plastic widgets will change the physics.
For Djokovic tennis is a job, nothing more. If guys must be vaccinated to work on ships/oilrigs/et al. Then for him it is a simple choice. If he wants to work, get vaccinated. If he doesn't want to work then...