Entries by Ariel Conn

From Physics Today: China’s no-first-use nuclear policy

“China’s entire nuclear weapons posture, and its relatively small arsenal of about 250 warheads, is based on its pledge of no first use, according to Pan Zhenqiang, former director of strategic studies at China’s National Defense University. Although that pledge is “extremely unlikely” to change, missile defense, space-based weapons, or other new technologies that threaten […]

From Time: How We Can Overcome the Risks of AI

“Apple’s recent acquisition of Vocal IQ, an artificial intelligence company that specializes in voice programs, should not on its face lead to much fanfare: It appears to be a smart business move to enhance Siri’s capabilities. But it is also another sign of the increased role of AI in our daily lives. While the warnings […]

From NASA: Oceanic Phytoplankton Declines

“The world’s oceans have seen significant declines in certain types of microscopic plant-life at the base of the marine food chain, according to a new NASA study. The research, published Sept. 23 in Global Biogeochemical Cycles, a journal of the American Geophysical Union, is the first to look at global, long-term phytoplankton community trends based on a […]

From UW Today: Oceans Releasing Frozen Methane

Bubble plumes off Washington, Oregon suggest warmer ocean may be releasing frozen methane “Warming ocean temperatures a third of a mile below the surface, in a dark ocean in areas with little marine life, might attract scant attention. But this is precisely the depth where frozen pockets of methane ‘ice’ transition from a dormant solid […]