Visualizations
Temperature readings from the Merrimack River, collected by the Merrimack River Water Quality Council, the National Park Service, and students from the Lowell and Lawrence publi...
Last Modified 1294 days 49 minutes ago
Last Modified 1346 days 23 hours 27 minutes ago
Most had a rise in temperature of 3 to 5 degrees C.
Last Modified 1370 days 21 hours 52 minutes ago
Most had a rise in temperature of 3 to 5 degrees C.
Last Modified 1370 days 21 hours 52 minutes ago
This timeline shows the projected growth in shale gas production made possible by technologies such as hydraulic fracturing.
Last Modified 1426 days 23 hours 28 minutes ago
This is a 0.32m pendulum timed for 20 seconds, yielding 18 or 19 swings.
Last Modified 1436 days 13 hours 11 minutes ago
This is a 0.5m pendulum for a 20 second run, yielding 14 swings.
Last Modified 1436 days 13 hours 13 minutes ago
This is a 0.82m pendulum timed for 20 seconds, yielding 11 swings.
Last Modified 1436 days 13 hours 15 minutes ago
Last Modified 1465 days 2 hours 41 minutes ago
Last Modified 1465 days 3 hours 49 minutes ago