Increased levels of blood fats in people with type 2 diabetes and obesity are more harmful than previously thought, a new study has found. In…
The post Higher Blood Fats More Harmful Than Previously Thought – Can Damage Muscle Cells appeared first on SciTechDaily.
After 30 Years, Genetic Study Confirms Sarin Nerve Gas As Cause of Gulf War Illness
Troops who had genes that help metabolize sarin nerve gas were less likely to develop symptoms. For three decades, scientists have debated the underlying cause…
The post After 30 Years, Genetic Study Confirms Sarin Nerve Gas As Cause of Gulf War Illness appeared first on SciTechDaily.
Original Source: scitechdaily.com
Vicious Little Desktop Shredder Pulverizes Plastic Waste
We’ve all likely seen video of the enormous industrial shredders that eat engine blocks for lunch and spit out a stream of fine metal chips. The raw power of these metal-munching monsters is truly fearsome, and they appear to be the inspiration for SHREDII, the miniature plastic shredder for at-home recycling of plastic waste.
The fact that SHREDII isn’t all that large doesn’t make it any less dangerous, at least to things smaller and softer than engine blocks, like say fingers. The core of the shredder is a hexagonal axle carrying multiple laser-cut, sheet steel blades. The rotating blades are spaced out along the axle so they nest between a bed of stationary blades; rotating the common axle produces the shearing and cutting action needed to shred plastic.
On version one of the shredder, each blade had two hooked teeth, and the whole cutting head was made from relatively thick steel. When driven by a NEMA 34 stepper — an admittedly odd choice but it’s what they could get quickly — through a 50:1 planetary gearbox, the shredder certainly did the business. The shreds were a little too chunky, though, so version two used thinner steel for the blades and gave the rotary blades more teeth. The difference was substantial — much finer shreds that were suitable for INJEKTO, their homebrew direct-feed injection molding machine.
There’s a lot to be said for closing the loop on plastics used in desktop manufacturing processes, and the team of SHREDII and INJEKTO stands to help the home gamer effectively reuse plastic waste. And while that’s all to the good, let’s face it — the oddly satisfying experience of watching a shredder like this chew through plastic like it isn’t even there is plenty of reason to build something like this.
Thanks for the tip, [Alen]!
Original Source: hackaday.com
Intense Exercise While Dieting May Reduce Cravings for High-Fat Food
In a new study that offers hope for human dieters, rats on a 30-day diet who exercised intensely resisted cues for favored, high-fat food pellets….
The post Intense Exercise While Dieting May Reduce Cravings for High-Fat Food appeared first on SciTechDaily.
Source Here: scitechdaily.com
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