Multiple global heat records have been falling in rapid succession as the planetary temperature rises in response to a freshly-emerged El Niño in the equatorial Pacific, with the global average temperature soaring above 17°C (62.6°F) for three consecutive days. The trend started on July 3 when the average global temperatureread more

Taking Nikola Tesla’s dream of transmitting electrical power wirelessly over long distances one step further, an engineering team at the California Institute of Technology has successfully transmitted microwave energy across open space between the experimental components of an orbiting satellite—including sending a portion of this power as a signal to a groundread more