Recent content by Julian_M

I read stainless steel kettle can leech chromium and nickel, and these are not as dangerous as plastic kettle. I'm also looking for titanium kettle. I guess it is better than stainless steel kettle? I read one must look for "zero nickel migration" certificate when getting the stainless steel but...

Glass kettle is not option for me because I need the lightest. I bought the following and it was just delivered but found out it is not Stainless Steel 304 but ordinary stainless steel. I heard water can smell metallic with these (not 304). But can it release toxic compounds or only cause rusts...

The spout is made of polypropylene. The inside is made of stainless steel coated with Fluorine coating. What do you guys make of Fluorine coating? Can it be toxic? So I can throw away the $100 kettle if the spout release microplastic and the fluorine is somehow toxic too.

Who are still using all plastic electric kettle here? The following paper says that boiling water in a plastic kettle can release over 10 million microplastic particles into just one litre of water. But I read it late and just bought last week a new $100 kettle with stainless steel inside but...

The colored photos can be found in this: Is it possible it is not a cone but a long pole with rest buried? Where is the ESA rover crash site, could a part fall down and got embedded? If it came from the satellite, is there no re-entry burn in Mars?

Note the cone shaped object partially embedded in the surface at the lower right, see original at: https://mars.nasa.gov/raw_images/1108577/ What part of any Rover has it? If it fell down from one of the orbiting Mars satellite. Won't the reentry burn it? I presume Mars has totally no...

Who own a front loading washing machine here? Do you have problems with molds developing in the gasket and drum? I want to buy one but read molds can easily occur with a front load. I already have a top load washing machine but want to buy a front loader for its dryer ability and as extra...

Hi, I've been looking for a laptop just to use google meet and I've been reading all about the specs of Lenovo, Asus. I'll get 16 Gig DDR5, at least 512gB nvme pcie storage, 16" display with %sRGB and 400 nits for more vibrant color (I heard OLED screen flicker can give you headache) and latest...

Speaking of dust clouds. Anyone got idea why 3i/atlas doesn't contain any fine dusts but only millimeters to 1/10th of meter (4 inches) sized dusts as reported by a peer reviewed paper by the American Astronomical Society. How can outgassing occur witnout any fine dusts...

My goal is to learn the actual physics and technical stuff so i can prove it is natural object. Because so many ignorant out there who are not familiar with technical stuff so they are swayed otherwise especially knowing the universe is so old and our solar system so young so there should be...

I tried to google illustrations about extreme negative polarizations. I couldn't find one where it is illustrated fully. I found one of these in the few images. Let us go to the typical polarization example for my questions: When you mentioned "scattering plane". It is like the above plane...

Thanks. An example to determine if I got the idea. Supposed I have a truck that is light green in color. And supposed it has special adjustable surface metamaterial that you can tune the polarization to different values. If I create same setting as 3i/Atlas. Would the truck still be light green...

https://iopscience.iop.org/article/10.3847/2041-8213/ae0c08 https://iopscience.iop.org/article/10.3847/2041-8213/ae0c08/pdf Above is peer reviewed article from The Astrophysical Journal Letters concerning "Extreme Negative Polarization of New Interstellar Comet 3I/ATLAS" What is really the...

The separate concern is the methane. How can methane hide inside the ice and not get released last August 6. It is only released last December. So I want example of another comet where the methane hides inside and get release much later. Or if this is the first for any comet. Usually all...

I mean the methane part. If the outer most layer of methane was depleted in previous heating in another solar system, and no methane in one layer (this was why no methane detected last August 6 but only CO2). And now methane again (December). So the methane was kept in compartments or layers. I...