Category Archives: Science/Engineering

Fire amid ice

photo_verybig_114417That Iceland volcano, whose eruption has sent five hundred fleeing. The Seablogger, an amateur vulcanologist, is on the case. One of his commenters, R. de Haan, came up with this good aerial video emphasizing the weird juxtaposition of fire and ice. Flooding from melting ice is the main fear now. (Unless you’re a Scientologist worried about Xenu’s attitude.)

UPDATE:  The flooding hasn’t occurred but now the worry is that this eruption, as it has in the past, will trigger the eruption of Katla, a much bigger volcano which would have hemispheric effects.

Revisable science

New discoveries of significant amounts of water (at least six-feet of water ice in each of forty craters) on what was long considered a bone-dry Luna show why today’s AGW to-do hardly can be considered “settled”:

“If you converted those craters’ water into rocket fuel, you’d have enough fuel to launch the equivalent of one space shuttle per day for more than 2000 years. But our observations are just a part of an even more tantalizing story about what’s going on up on the Moon.”

Via Science@NASA.

Heavy Planet

Hal Clement’s classic hard SF novellas here about alien contact, Mission of Gravity and Star Light, with a couple of connected short stories thrown in, make for wonderful reading, and some free education in elementary physics and chemistry.

MG hardly suffers from being so old that the humans employ slide rules and photographic film, and the author wisely continues it in the more recent SL. It’s also almost unnoticeable that there is, as other reviewers of his other books have pointed out, no sex and no violence—not even a sharp argument between the humans and the aliens.

Instead, the stories move along on resolving the inevitable hazards as the hydrogen-breathing Mesklinites (variously described as grotesque worms, caterpillars or centipedes about three feet long) explore their own high-gravity planet and, later, a similar one three parsecs away, as contract employees (and, simultaneously, students and respected friends) of the humans.

What makes it work is the interplay between the species and the way Clements’ aliens mimic human emotions and behavior, including occasional paranoia and deception, despite their significant physiological differences. I was sad to finish. It’s a pity the author is no longer alive to continue this rich story of human scientists, linguists and administrators hesitantly helping the Mesklinites gradually move from being sailors on methane seas in ammonia storms to pilots of interstellar spacecraft.

Put it in neutral, stupid

The key to solving these alleged runaway Toyotas with their supposedly stuck accelerator pedals, is to shift the transmission into neutral. Let the engine race, if it will, while the car slows down until you can pull over.

Instead, this latest fellow reportedly told the 911 dispatcher he was afraid to do that ’cause the car “might flip.” Huh? How could it? Nothing like a little (apparently) panic to ensure your fifteen minutes of fame. And keep the pols and GM happy.

Dinosaur extinction

Delighted to see a new confirmation of the postulated dinosaur-killing effect of the meteor (or comet) that splashed into Chicxulub on Mexico’s Yucatan Peninsula millions of years ago. University of Texas geophysicists, who have helped map the ocean floors, did quite a bit of work on the remains of the crater—all hidden today by water and rock but still discernible with radar.

Sun Pillar

wirosunpillar_alquist900

Over Mt. Jelm and the Wyoming Infrared Observatory.

The Vin Fizz

VF rear diagonal ss

I always liked this story of the first airplane to fly cross-country. In 1911. It’s a Wright EX pusher. It landed on its eighty-four day trip somewhere north of Austin, drawing a big crowd, as it did everywhere. Vin Fiz was a soft drink that fared worse than flying did, obviously. Ever heard of it? Me neither. The picture is of a replica, whose owner will reenact the flight next year.