General


Photo Credit: Image, from "A Conversation with Gordon H. Pettengill," courtesy of Internet-First University Press, e-Commons at Cornell University Libraries

GENERAL


Dr. Gordon Pettengill died on May 8, 2021 at his home in Concord, Massachusetts at the age of 95. Dr. Pettengill was one of the very early pioneers in the use of radar to explore solar system bodies while working at the Millstone Hill facility of Lincoln Laboratories. Having assisted Bill Gordon during the construction of the Arecibo telescope via many trips to Arecibo in the early 1960s, Dr. Pettengill joined the staff of the observatory as Associate Director in 1963.  + Read More

General

While most of the scientists at the Arecibo Observatory are looking up into Earth’s atmosphere and into space, Dr. Abniel Machín de Jesús is focused on issues below our feet: replacing fossil fuels with clean, renewable resources. In a new study published in Biomimetics, Dr. Machín and his team analyzed catalysts - substances that accelerate the rates of chemical reactions - that are able to produce hydrogen via water splitting using only sunlight. + Read More