No.
No, it is not permissible to bring a weed pen on a plane in California as marijuana is still illegal at the federal level, and airports are under federal jurisdiction.
Yes, you can bring a book on a plane.
No, it is not permissible to bring a sword on a plane.
Yes, you can bring a fork on a plane in your carry-on luggage.
Yes, you can bring a notebook on a plane in your carry-on luggage.
Yes, you can bring a thermometer on a plane in your carry-on luggage.
Yes, you can bring books on a plane in your carry-on luggage.
Yes, you can bring your contacts on the plane with you in your carry-on luggage.
Yes, you can bring a shaver on a plane in your carry-on luggage.
No, you cannot bring a butter knife on a plane.
Yes, you can bring a fork on a plane in your carry-on luggage.
Yes, you can bring a thermometer on a plane in your carry-on luggage.