Heat is strong enough to break the relatively weak bonds between the silica gel and water, and lets moisture evaporate out. If these moisture-sucking additives do their job while the devices are off, then maybe the heat the technology generates while powered on can remove the moisture the desiccants soaked up and keep them working for longer, the team reasoned.
Silica gels might not respond best to heat from an electronic device, they found, but other desiccants might pull this trick off. Researchers are constantly experimenting with silica gel packets and other desiccants to see what the materials can accomplish. A team of microbiologists, for example, tucked samples of the Streptococcus pneumoniae bacteria into individual packets and found that silica gel did a good job of keeping the potential pathogen alive during transit between labs.
Researchers are happy to rework the silica format, too. For scenarios where manufacturers need thinner or more dispersed water-removal technology, engineers developed thin sheets and powdered versions of silica gel.
Aerogels — silica variants that are a kind of solid foam — make for good insulation in boots and on a Mars rover. Despite silica gel's versatility, one way not to use the material is as a snack. Truthfully, silica gel is nontoxic. The biggest issue, according to the Illinois Poison Center, is choking on the packet itself. Since there can be confusion sometimes over what exactly is in the packet, the Arizona Poison and Drug Information Center recommends calling poison control if someone swallows a desiccant packet, just in case.
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Throw a few gel packs into the bottom of your gym bag. Put a silica gel packet into any box or container where you keep photos, important documents, or any sort of memorabilia. The packets will help keep them dry so you can enjoy them for years to come!
Keep a silica gel packet wherever you store any electronics with a lens or a screen. These items are particularly sensitive to moisture and condensation, so storing a gel pack with them can be a cheap insurance policy against moisture damage.
Put a couple of gel packets inside your jewelry box and alongside your nice silverware. Keeping silver items dry will help prevent tarnish or at least slow it down.
It can be really hard to keep things dry in humid areas, and pet food is no exception. Your best bet for keeping dry food dry is to transfer it to an airtight container with a few silica get packets. Toss them right in with the food, or tape the packets to the underside of the lid.
Keep your book collection dry and less musty smelling by storing them with silica packets. You can distribute a few around your bookcase, or even store a packet within the pages of your most treasured old book. If you keep vitamins, medications, and other pills in your bathroom, put a silica gel packet in each bottle to help keep them dry.
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