Assumed #top anchor. If creating an destination anchor to scroll to the top of the current page, be advised that some browsers [1] appear to âassumeâ a #top anchor (not visible in the page source code). As implementation of this feature appears inconsistent, it is preferable to insert a #pagetop destination anchor instead: .
Once it cools, it should function properly again. A lava lamp may overheat in eight to 10 hours, depending upon the bulb and brand of lamp. Use the lamp for less than eight hours at a time for best results, allowing it to cool to room temperature before using it again.
Half of the lamps in a sample are likely to fail before the rated lamp life, and half are likely to survive beyond the rated lamp life. For discharge light sources, such as fluorescent and HID lamps, lamp life depends on the number of starts and the duration of the operating cycle each time the lamp is started.