2161
Caltech to launch space solar power technology demo into orbit
The launch represents the first in-situ test of the technology to harvest solar energy in space and transmit it to Earth.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,456 posts.
2162
Type 2 diabetes rates in US youth rose 62% after Covid pandemic began
Rates of new-onset type 2 diabetes climbed 62%—and type 1 diabetes increased 17%—among US youth after the COVID-19 pandemic began, especially in Black and Hispanic children, according to a study published yesterday in JAMA Network Open .
2163
Reentry of International Space Station Batteries into Earth's Atmosphere
UPDATE (8 March, 20:00 CET): The reentry of the ISS batteries is now expected between approximately 19:30 CET and 21:08 CET on 8 March. This will be the final update ...
2164
2165
How is music possible
If you take a scene from a horror movie and add funny music, the killer suddenly looks hilarious. Isn’t it strange that that happens?
2166
2167
Chan Zuckerberg Initiative sunsetting science research platform meta.org
Meta.org will sunset March 31, 2022
2168
‘Oumuamua, Thin Films and Lightsails
Thanks, Hamilton1. The two reports look like excellent studies. At first scan, it looks like there are still things to examine though. For example, if ‘Oumuamua is considered representative of extra-solar objects in its debris trail, then the idea that extra solar meteorites showing up, say in Greenland, is in real…
2169
Gigantic heat caverns in Mustikkamaa have now been filled with water (2021)
The filling of underground heat caverns in Mustikkamaa with water has been completed this week, and the use of the heat caverns for heating homes in Helsinki is a step closer.
2170
2171
2172
Trials avoid high risk patients and underestimate drug harms
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals.
2173
A rudimentary quantum network link between Dutch cities
An international research team led by QuTech has demonstrated a network connection between quantum processors over metropolitan distances. Their result marks a key advance from early research networks in the lab towards a future quantum internet. The team developed fully independently operating nodes and integrated…
2174
Forests offset warming more than thought: study
Replanting forests can cool the planet even more than some scientists once believed, especially in the tropics. But even if every tree lost since the mid-19th century is replanted, the total effect won’t cancel out human-generated warming.
2175
Designing more efficient quantum circuits with Claude
Working largely on its own, Claude designed quantum circuits that improve on the best published versions, in some cases by an order of magnitude or more.
2176
A most bizarre and mysterious cocoon
by Matthew Cobb This bizarre photo was posted the other day on reddit’s “whatsthisbug” subreddit by Decapod73, with the following information: “Seriously, who makes egg case…
2177
High-quality schools can increase academic achievement among the poor (2010)
Harlem Children’s Zone (HCZ), an ambitious social experiment, combines community programs with charter schools. We provide the first empirical test of the causal impact of HCZ charters on educational outcomes. Both lottery and instrumental variable identification strategies suggest that the effects of attending an HCZ…
2178
Wind farms can offset their emissions within two years, new study shows
After spinning for under two years, a wind farm can offset the carbon emissions generated across its entire 30-year lifespan, when compared to thermal power plants. That’s according to a new peer-reviewed study published in the Journal of the Royal Society of New Zealand – which also shows within six months a turbine…
2179
2180
Passive Solar Water Desalination
I know we are supposed to be worried about the world supply of fresh water. I have been hearing that at least for the last 40 years, and the statistics are alarming. According to the Global Commission on the Economics of Water: "We are seeing the consequences not of freak events, nor of population growth
2181
MIT engineers make converting CO2 into useful products more practical
A new electrode design developed at MIT boosts the efficiency of electrochemical reactions that turn carbon dioxide into ethylene and other products.
2182
2183
PYREX vs. pyrex: What's the difference?
For 100 years, Corning has developed special glass for use in both chemical and life science laboratories, including PYREX® glass.
2184
2185
2186
Why Drugs That Work in Mice Don't Work in Humans
OLXTOTO hadir sebagai Panglima Sekutu situs toto dan bandar toto Macau resmi dengan sistem stabil, layanan terpercaya, serta pengalaman bermain yang nyaman.
2187
2188
2189
2190