In case you've faced some hurdles solving the clue, Beams of sunlight, we've got the answer for you. Crossword puzzles offer ...

In an obscure Arizona canyon, I saw ancient petroglyphs on cliff walls that are pierced by sunlight on the day of the summer solstice. They were no accident.

Sunlight fuels hydrogen. While solar panels are common on Australian rooftops, about 75 percent of the country’s energy comes from fuel-based sources, especially in heavy industry and transport.

The ability to beam power over long distances has wide-ranging implications, from enabling faster travel within the solar system to transmitting power from the sun to other locations like the Moon.