‘Reverse Mathematics’ Illuminates Why Hard Problems Are Hard
When it comes to hard problems, computer scientists seem to be stuck. Consider, for example, the notorious problem of finding the shortest round-trip route that
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When it comes to hard problems, computer scientists seem to be stuck. Consider, for example, the notorious problem of finding the shortest round-trip route that
A rare example of a sun hat from late Roman Egypt that was stitched together from fabrics in five colors.
Salamanders and newts are both long-tailed amphibians, but what’s the difference between them?
Three-stage filtration system, check. Hands-free voice control, check. Reliable air quality sensor, check. 21% discount for Black Friday and Cyber Monday? Check.
Shopping for running shoes and workout clothes this Cyber Monday ahead of Christmas? Here are 5 common mistakes to avoid, and what to do instead
Is time real, or an illusion? The best answer may be neither: Both physics and philosophy suggest that time is a projection of the mind
Astronomers using data from the Very Large Telescope (VLT) have revealed that the initial “breakout” phase of a supernova is elongated, not perfectly spherical.
While Black Friday weekend is about to end, Cyber Monday is proving to have some impressive deals, including huge discounts on Apple watches.
The Occer 12×25 compact binoculars are small and very affordable, and for under $20, they’re the cheapest binoculars we’d recommend buying as a Christmas gift.
Enjoy a whole host of nature, sci-fi and space exploration documentaries with this streaming deal — save up to 44% this Black Friday weekend.
NASA astronauts Matthew Dominick (left) and Mark Vande Hei (right) prepare to fly out to a landing zone in the Rocky Mountains as part of
If you’ve been wanting to upgrade your Z6 or Z7 for ages but have been waiting for the right time, the right time is now!
When humans manage to cut enough emissions and eventually reduce global temperatures, new research shows the Southern Ocean could kick warming back into gear.
Get the Garmin Forerunner 970 for $100 less; this smartwatch’s only downside was its price, but it’s now reduced on the Black Friday weekend. Hurry