Dropping Nearly 20%, Bitcoin Suffers Worst Weekly Drop in a Year

“Bitcoin’s rally this year has hit a speed bump, putting it on track for the worst weekly slide in almost a year amid wider losses in risk assets,” reports Fortune: The largest cryptocurrency slumped as much as 20% this week, the most since March, and was holding at about $46,925 as of 10:22 a.m. in Hong Kong. The wider Bloomberg Galaxy…

Greek ship carrying parts of the Parthenon is giving up more secrets

The latest expedition by divers to the wreck of the Mentor, which sank just off the island of Kythera (also spelled Kithira and Kythira) in 1802, has recovered several pieces of the ship's rigging, coins, the leather sole of a shoe, a metal buckle, a token for playing cards, two chess pieces, fragments of cooking… Continue reading Greek ship carrying parts of the Parthenon is giving up more secrets

Magnetic effect without a magnet

Electric current is deflected by a magnetic field—in conducting materials, this leads to the so-called Hall effect. This effect is often used to measure magnetic fields. A surprising discovery has now been made at TU Wien, in collaboration with scientists from the Paul Scherrer Institute (Switzerland), McMater University (Canada), and Rice University (U.S.): an exotic metal made of cerium, bismuth and…

Mob destroys monolith over ‘Illuminati’ fears

A metallic monolith that appeared in the Democratic Republic of Congo has been torched by a mob. The mysterious 12ft metal structure, which appeared o… Source: https://www.unexplained-mysteries.com/news/344014/mob-destroys-monolith-over-illuminati-fears…

German Institute Develops ‘Powerpaste’ That Stores Hydrogen Energy At 10x the Density of a Lithium Battery

A German research organization has developed a magnesium-based “Powerpaste” with an energy density ten times more than current battery technology. Hackaday reports: We’ve been promised hydrogen-powered engines for some time now. One downside though is the need for hydrogen vehicles to have heavy high-pressure tanks. While a 700 bar tank and the accompanying fuel cell is acceptable for a city bus…

Surround Sound From Lightweight Roll-To-Roll Printed Loudspeaker Paper

“Researchers from the fields of print media technology, chemistry, physics, acoustics, electrical engineering, and economics from six nations developed a continuous, highly productive, and reliable roll production of loudspeaker webs,” reports project manager Georg C. Schmidt. [For those unfamiliar with roll-to-roll processing, it is the process of creating electronic devices on a roll of flexible plastic or metal foil, which, among…

What is the Sickle in Leo?

The Sickle in Leo is an easy-to-spot backward question mark shape made of stars that marks the head and shoulders of the constellation of the lion. The moon sometimes passes in front of the Sickle’s brightest star, Regulus. Source: https://earthsky.org/favorite-star-patterns/the-sickle-backward-question-mark-pattern-in-leo…

Apple Plans First iMac Desktop Redesign In Nearly a Decade

In addition to upgraded MacBook Pros, Bloomberg reports that Apple is also “planning the first redesign of its iMac all-in-one desktop computer since 2012,” as it shifts away from Intel to its own silicon. From the report: The new models will slim down the thick black borders around the screen and do away with the sizable metal chin area in favor…

Plants that suck metals from the soil can be farmed to make our tech

Farms that grow metal-rich plants are cropping up around the world and promise a greener, less destructive alternative to mining for rare minerals Source: https://www.newscientist.com/article/mg24933160-900-plants-that-suck-metals-from-the-soil-can-be-farmed-to-make-our-tech/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…