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Michael Lopez-Alegria, NASA's most experienced spacewalker and the American holding the record for the single longest spaceflight mission, has left the agency. Lopez-Alegria flew on four missions and performed 10 spacewalks during his career. He most recently served in the Flight Crew Operations Directorate at NASA's Johnson Space Center in Houston as assistant director for the International Space Station (ISS). "Mike has faithfully served the Flight Crew Operations Directorate for many...
Leroy Chiao is an American engineer, former NASA astronaut, entrepreneur, motivational speaker and engineering consultant. He was born on August 28, 1960 in Milwaukee, Wisconsin. He was raised in Danville, California and graduated from Monte Vista High School in 1978. Chiao then went on to attend the University of California, Berkeley, where he received a Bachelor of Science degree in chemical engineering in 1983. He then went on to the University of California, Santa Barbara, where he earned...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
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