Characters wearing the Augmentor can occasionally be heard speaking in ordinary voices, without the warbling side effect of the machine.
The convict volunteer is still walking later in the movie without the use of the Augmentor. In every other instance, the Augmentor's effects wear off immediately after the device is removed or deactivated.
Many doors with keycard locks have manual locks for the deadbolt in case of a power outage, meaning an ordinary metal key will work just fine. Since the door to the laboratory has a manual lock on the doorknob, there's no reason Sam couldn't pick it; a "separate code" wouldn't prevent the manual mechanism from working.
When computer files are copied onto a floppy, it does not include the GUI from the original system program.
The golf course has an abundance of palm trees, which are virtually nonexistent in Washington state as the lack of sunlight and heavier rainfalls are prohibitive to their growth.
The bartender does not ask the boys for ID, despite the fact that the penalty for serving alcohol to anyone under 21 - or even having someone underage in a bar area at all - is automatic shutdown. For this reason, liquor license owners will often aggressively card anyone who looks younger than their 30's, even if they have facial hair.
While peanut butter has numerous health benefits including protein and monounsaturated fats, processed peanut butter often contains partially hydrogenated oils (trans fats) and high amounts of sugar and calories. This was well known in the 90s. Compared to pizza and M&M's, it a healthier alternative, but still not a good choice for health-conscious Lanny.