I speculate that cold exposure has a similar effect as aerobic exercise due upregulating the AMPK-pathway and it may help shift the respiratory coefficient (measure of the ratio of fat oxidation to glucose oxidation), a key metric in fat adaption that is of interest to endurance athletes and those interested in higher fat ways of eating such as keto or carnivory. Building tolerance to heat involves the release of heat shock proteins and increase in blood plasma volume, while cold exposure has numerous metabolic benefits, including upregulation of brown fat, enabling the body to more effectively metabolize fat. If you subscribe to this newsletter you probably are at least vaguely familiar with the health and performance benefits of heat exposure and cold exposure. It turns out that both extremes are critical for heat, and the mix of indoor heating and AC is similar to the problem of it being too dark indoors during the day and then far too bright at night. When it is night time, or the angle of the Sun is more shallow (winter) it becomes much colder. During the day, and when the Sun hits directly, it is warmer. Photons also carry energy with them, which dissipates as heat. However, the impact of sunlight between day and night and between seasons goes well beyond the biochemical process that are initiated by photons. ![]() We then went on to deconstruct the various spectral components of sunlight and develop products to effectively deliver these as a supplement to real sunlight and to mitigate the effects of living inside toxic buildings, or high latitudes. ![]() The most obvious problem was that of artificial light, which we were able to mostly solve with the dark red lens of the Carbonshade glasses. Latest batch of Ironforges and D-Lights is only a week or two out, and as always, you can purchase those and other Chroma products at .Ĭonceptual background on hot/cold exposureĬhroma has its origins in solving the problems related to catastrophic health and human performance problems that have arisen in the past ten thousand years ever since we shifted from an outdoor nomadic lifestyle to an indoor lifestyle filled with articial biological signals. Tight Lights are also now available for pre-order as we work on finalizing our first production batch at. If you don't want to read through this lengthy spiel, you can just check out the product and preorder at. We have prototypes you can pre-order today and will ship in about 6 weeks, and we will continue to refine and expand these new product lines in the months to come. It's a sort of "building in public" approach as we took with the development of the Chroma LEDs. We will start with framing the problem in context, and then dive into the product development journey. The gas in and around this central region is ionized by the copious UV radiation emitted by the central open star cluster (IC 1490), causing it to glow and provide the light by which this narrowband image was taken.We finally have some completely new products in the works! So this should be one of the more interesting issues of this newsletter that we have had in a while. The stars that formed early on at its centre have progressively hollowed out the centre of the nebula. ![]() Originally the whole Pac-Man nebula would have been one large dark molecular cloud. ![]() Once these young stars’ fusion engines switch on, they will irradiate their surroundings–heating up, ionizing and eroding away the remaining dark material from which they formed. New generations of solar systems are being forged within its cold interior. The large dark nebula that makes up this "gaping mouth" is a molecular cloud made up predominantly of molecular hydrogen, but also dust and other gases.
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