Kurt “The CyberGuy” Knutsson details the design and features of the REGENT Seaglider and also explains the benefits of the electric aircraft.
Samsung has earned a strong reputation among PC enthusiasts when it comes to solid-state storage. Its Pro series of SSDs are often among reviewers’ top recommendations for users seeking high-speed storage for large work files, apps, and boot drives. Over the past year, though, reliability concerns around Samsung’s 980 Pro and most recent 990 Pro have marred this reputation. It has become so notable that custom PC-maker Puget Systems, a top proponent of Samsung SSDs since the SATA days, has pulled 1TB and 2TB Samsung drives from its lineup.
For Puget, problems with Samsung SSDs, which the 22-year-old boutique PC shop sells in its custom-built systems, started with the 980 Pro that came out in September 2020. On January 31, Puget wrote a blog noting it received a surprising number of reports of failing Samsung drives, specifically with the 2TB version of the 980 Pro.
The most common failure mode that we have found is that the drives are suddenly locked into read-only mode, rendering the drive unusable. If the failed drive is the primary drive, then the system becomes unbootable until the drive is replaced and the OS is reinstalled, Chris Newhart, a Tier 2 repair technician at Puget, wrote.
In a bid to make wood stronger and lighter than glass to move towards an energy-efficient future, a team of researchers at the University of Maryland has found a new way to make wood completely transparent which they believe to be better than the previous techniques.
The paper, published in the journal Science Advances, details the making of their transparent wood which was found to be 50 times stronger than the ones made using the conventional way.
The performance of some quantum technologies could be boosted by exploiting interactions between nitrogen-vacancy (NV) centres and defects on the surface of diamond – according to research done by two independent teams of scientists in the US.
NV centres in diamond have emerged as a promising solid-state platform for quantum sensing and information processing. They are defects in the diamond lattice in which two carbon atoms are replaced with a single nitrogen atom, leaving one lattice site vacant. NV centres are a two-level spin system into which quantum information can be written and read out using laser light and microwaves. An important property of NV centres is that once they have been put into a specific quantum state, they can remain in that state for a relatively long “coherence” time – which makes them technologically useful.
Rompani et al. employ single-cell-initiated transsynaptic tracing to decipher patterns of input integration in the thalamus. They show that individual cells in the lateral geniculate nucleus integrate retinal inputs in three distinct modes, each exhibiting different degrees of specialization.
This video explores what would happen if fusion power became a mainstream technology in 2070. Watch this next video about the world in 2070: https://bit.ly/3nYXvjf.
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SOURCES:
• https://www.vox.com/22801265/fusion-energy-electricity-power…earch-iter.
• https://www.iter.org/sci/Fusion.
Continue reading “Fusion Power: 10 Ways It Will Change The World” »
Astronomers have measured the mass of a lone white dwarf star for the first time. This type of smoldering stellar remnant is formed at the end of the lives of low-mass stars and will be what the sun leaves behind when it dies in around 5 billion years.
The Hubble Space Telescope measured the mass of a white dwarf designated LAWD 37, which burned out over 1 billion years ago. In the work, scientists used a phenomenon first predicted in 1915 by Albert Einstein called “gravitational lensing,” which involves the bending of light by objects of great mass. The team determined that LAWD 37 has a mass around 56% that of the sun. The finding confirms current theories of how these stellar remnants form and evolve. This particular white dwarf is well studied because it is relatively close to Earth at just 15 light-years away in the constellation of Musca.
China has urged “cool-headed” handling of a dispute over a giant Chinese balloon heading for the eastern US.
US Secretary of State Antony Blinken earlier called off a visit to Beijing, saying the “surveillance” balloon’s presence was “an irresponsible act”.
Continue reading “China urges calm over ‘spy’ balloon in US airspace — BBC News” »
If Mimas has an ocean, it represents a new class of small, ‘stealth’ ocean worlds with surfaces that do not betray the ocean’s existence.
