/sci/ - Science & Math

>>6262500
>conically focused
Seriously?

Not sure how these things are made, but if it's anything as you've described, it has to do with non-linear absorption of radiation. That means you have a pulsed laser (i.e. very intense for a short period) and you tightly focus it. This leads to very high electromagnetic field in the focus, which leads to multi-photon and avalanche ionization. Using a wavelength to which the substrate is transparent, e.g. IR in glass, you can get absorption only at the focal point. Voila.

X-rays will not heat the food. Microwaves will. They are on the other side of the ER spectrum from the visible light. For this to work, you will have to first design a microwave that can deliver short and powerful pulses, probably no longer than a nanosecond, picosecond more likely. Then you will have to focus it. The caveat here is that microwaves have a long wavethength (10cm or so), which means you can't focus it much smaller than that. So to get a proper power boost from focusing, which is usually 10^6 (mm-->um with IR) you will need to start with a microwave beam 100m across.

Having said that, your microwave would be the size of a house and cost $10M. You best stick to just mixing your food or letting the heat even out after you nuke it.

Trust me, I did a PhD in this shit.

Why do you care about the gay gene? I think that curing pedophilia is much more important. At least gays don't harm people. But a pedophile can't have sex legally and even their masturbatory material is illegal, except drawings in some countries.

>MIT
>engineering school
>implying I am jelly

i have to balance this
KLO3 + H2SO4 + KL -----> L2 + H2O + K2SO4
pic unrelated