Be Wary Of Radioactive Bracelets And Similar

Before you start cutting up that ‘negative ion’ health bracelet or personal massager, be aware that these are highly likely to contain thorium oxide or similar radioactive powder, as this research video by [Justin Atkin] (also embedded after the break) over at The Thought Emporium YouTube channel shows. Even ignoring the irony that thorium oxide is primarily an alpha (He⁺) emitter and thus not a ‘negative ion’ source (which would be beta decay, with e^–), thorium oxide isn’t something you want on your skin, or inside your lungs.

These bracelets and similar items appear to embed grains of thorium oxide into the usual silicon-polymer-based bracelet material, without any measures to prevent grains from falling out over time. More dangerous are the items such as the massage wand, which is essentially a metal tube that is filled with thorium oxide powder. This is not the kind of item you want to open on your kitchen table and have it spill everywhere.

Considering that these items are readily available for sale on Amazon, EBay and elsewhere, giving items like these a quick check with the ol’ Geiger counter before ripping them open or cutting them up for a project seems like a healthy idea. Nobody wants to cause a radiological incident in their workshop, after all.

from Hackaday https://ift.tt/2IbNj1P

Comments

Crypto exchange Binance prepares to add margin trading ‘soon’

Binance, the world’s most prominent crypto exchange, says it is close to adding a much-anticipated margin trading feature to its service following weeks of speculation. The company tweeted confirmation of the upcoming feature in a screenshot which subtly teases the imminent arrival of margin trading options. Binance CEO Changpeng Zhao (pictured above) first revealed that the feature was headed to Binance during a live stream following a hack earlier this month that saw Binance lose around $40 million in Bitcoin . TechCrunch understands that margin trading has been beta tested among selected users. A Binance representative declined to comment on the specifics, but did confirm that margin trading will be available on Binance.com “soon.” Dark mode or Light mode ? #Binance pic.twitter.com/pGSb1np4yp — Binance (@binance) May 24, 2019 Margin trading, which lets traders use their balance as collateral to super-size their buying power, is seen by many as an important growth vec

World Economic Forum launches Global AI Council to address governance gaps

The World Economic Forum is creating a series of councils that create policy recommendations for use of things like AI, blockchain, and precision medicine. Read More from VentureBeat http://bit.ly/2EKBjD4

The hidden cost of food delivery

Noah Lichtenstein Contributor Share on Twitter Noah Lichtenstein is the founder and managing partner of Crossover , a diversified private technology fund backed by institutional investors, technology execs and professional athletes and entertainers. More posts by this contributor What Studying Students Teaches Us About Great Apps I’ll admit it: When it comes to food, I’m lazy. There are dozens of great dining options within a few blocks of my home, yet I still end up ordering food through delivery apps four or five times per week. With the growing coronavirus pandemic closing restaurants and consumers self-isolating, it is likely we will see a spike in food delivery much like the 20% jump China reported during the peak of its crisis. With the food delivery sector rocketing toward a projected $365 billion by the end of the decade, I’m clearly not the only one turning to delivery apps even before the pandemic hit. Thanks to technology (and VC funding) we can get a ri

All Things Tech

Search This Blog